| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 525410000 | Solid polymer derived from hetero-O-cyclic compounds as sole reactants wherein at least one reactant contains a hetero-O-ring other than solely as a 1,2-epoxy or anhydride, and wherein none of the reactants contains a plurality of methylol groups or derivatives thereof | 69 |
| 20090240003 | Adducts and Curable Compositions Using Same - The present invention relates to adducts useful for improving the toughness and curable compositions using such toughening adducts. In a particular aspect, the present invention relates to inventive toughening adducts and curable compositions having improved fracture toughness using those toughening adducts. | 09-24-2009 |
| 20090306306 | THERMOSETTING POLYIMIDE RESIN COMPOSITION AND CURED PRODUCT THEREOF - Disclosed is a highly heat-resistant thermosetting polyimide resin composition having long pot life, which enables to obtain a cured product having flexibility and adhesiveness. The thermosetting polyimide resin composition can be obtained through the following steps (1)-(3). Step (1): A step wherein a polyimide (A) is synthesized by a thermal reaction by blending a tetracarboxylic acid component, which is composed of a tetracarboxylic acid dianhydride represented by the formula (1) and one or more compounds selected from tetracarboxylic acids represented by the formula (2) and derivatives of such tetracarboxylic acids, with an aliphatic diamine represented by the formula (3) in such a ratio that the mole number of the tetracarboxylic acid component is higher than the mole number of the aliphatic diamine. Step (2): A step wherein a polyimide (B) is synthesized by a thermal reaction by blending the polyimide (A) obtained in the step (1) with an aromatic diamine represented by the formula (4). Step (3): A step wherein the polyimide (B) obtained in the step (2) is blended and mixed with a bismaleimide compound represented by the formula (5). | 12-10-2009 |
| 20100041835 | POLYESTER MIXTURE COMPRISING BIODIESEL - The present invention relates to biodegradable polyester mixtures, comprising
| 02-18-2010 |
| 20100069579 | Activated Polyoxazolines and Compositions Comprising the Same - The present disclosure provides terminally activated monofunctional POZ derivatives having a range of functional active groups allowing conjugation of the monofunctional POZ derivatives to a variety of target molecules under a wide range of reaction conditions to produce a hydrolytically stable target molecule-POZ conjugate. Furthermore, the present disclosure provides novel methods of synthesis for the disclosed terminally activated monofunctional POZ derivatives and hydrolytically stable target molecule-POZ conjugates created using the disclosed terminally activated monofunctional POZ derivatives. | 03-18-2010 |
| 20100160573 | LINEAR AMINE FUNCTIONALIZED POLY(TRIMETHYLENE ETHER) COMPOSITIONS - The present invention relates to linear amine-functionalized poly(trimethylene ether) compositions, and processes to produce these compositions. | 06-24-2010 |
| 20100227982 | INK RECEIVING PARTICLES, METHOD FOR PRODUCING THE SAME, AND CURABLE RESIN DISPERSION COMPOSITION - Ink receiving particles is provided. The ink receiving particles includes polymer particles, the polymer particles including a resin including an acidic group and a polyoxyethylene chain, the acidic group at least partially having a salt structure. | 09-09-2010 |
| 20100286343 | Surfaces containing coupling activator compounds and reinforced composites produced therefrom - The invention relates to products and processes employing coupling activator compounds represented by the following formula I: | 11-11-2010 |
| 20120136123 | Multifunctional Forms of Polyoxazoline Copolymers and Drug Compositions Comprising the Same - The present disclosure provides copolymers of 2-substituted-2-oxazolines possessing two or three reactive functional groups which are also chemically orthogonal. The copolymers described may be random copolymers, block copolymers or a mixture of random and block copolymer configurations. Furthermore, the present disclosure provides novel methods for synthesizing the above polymers and for conjugating to molecules such as targeting, diagnostic and therapeutic agents. | 05-31-2012 |
| 20120296049 | POLYETHER RUBBER, RUBBER COMPOSITION, CROSS-LINKED RUBBER, AND CONDUCTIVE MEMBER - Provided is a polyether rubber that contains a specific proportion of a specific unit containing an onium ion. According to the present invention, a conductive member and a cross-linked rubber that constitutes part of the conductive member can be provided, in which the conductive member has low electrical resistance value and little variation in electrical resistance, and suppressed increases in the electrical resistance value even if used continuously. | 11-22-2012 |
| 20120322949 | Hydrogel Compositions and Methods of Preparation Thereof - Block copolymers include hydrophobic and hydrophilic blocks having repeating units derived from ring opening polymerization of one or more cyclic carbonate monomers. The carbonate monomers are independently selected from compounds of formula (II): | 12-20-2012 |
| 20130274422 | POLYCARBONATES AS NUCLEATING AGENTS FOR POLYLACTIDES - The present invention discloses the use of polycarbonate to increase the crystallisation rate of polylactides while maintaining its the mechanical properties. | 10-17-2013 |
| 20140135453 | METHOD FOR PREPARING A DIFUNCTIONAL POLY(GAP-co-THF)DIOL FOR PREPARATION OF POLYURETHANE HAVING EXCELLENT MECHANICAL PROPERTIES - Provided is a method for a poly(GAP-co-THF)diol prepolymer in which THF monomer units are copolymerized to GAP, having high difunctionality, a reduced amount of cyclic oligomer side products having a small molecular weight, a wide copolymer composition and controlled molecular weight. The resulted poly(GAP-co-THF)diol prepolymer according to the present invention is used as a binder for a high-energy PBX or composite propellant, specifically used as a binder in the preparation of polyurethane having excellent mechanical properties. | 05-15-2014 |
| 20150087788 | Controlled Synthesis of Polyglutamates with Low Polydispersity and Versatile Architectures - Polyglutamates are well known to be highly biocompatible, biodegradable and multifunctional polymers, which have been already used as building blocks in polymer drug conjugates and polymeric micelles. Those systems have been applied to various medical applications ranging from therapy to molecular imaging. Furthermore a polyglutamic acid (PGA) paclitaxel conjugate has already entered clinical studies (Opaxio™ PGA-PTX conjugate currently in phase III of Clinical trials). | 03-26-2015 |
| 20190144600 | Ionic and Electronic Conducting Binder for Electrochemical Devices | 05-16-2019 |
| 525411000 | Mixed with carboxylic acid or derivative reactant or polymer therefrom | 32 |
| 20090069504 | Furanone-Initiated Polymers - Polymers initiated with furanones and compositions containing such polymers are suitable for use in making textiles, medical devices, delivery agents, packaging materials, coatings for such items, and the like. | 03-12-2009 |
| 20090186990 | Polylactic Acid Based Heat-Resistant Sheet - Disclosed is a polylactic acid based heat-resistant sheet suitable for molding. The polylactic acid based heat-resistant sheet containing 50 to 95% by mass of a polylactic acid and 5 to 50% by mass of a polylactic acid-based copolymer which contains 30 to 70% by mole of a lactic acid component. The polylactic acid based heat-resistant sheet has a crystallization peak temperature of 60 to 120° C., a heat quantity of crystallization of 10 to 25 J/g, a melting point of 160° C. or higher and a heat quantity of crystal fusion of 15 to 40 J/g, as measured with a differential scanning calorimeter at a temperature increase rate of 20° C./min. | 07-23-2009 |
| 20090198020 | Polyester-Series Resin Composition and Molded Article - A polyester-series resin composition comprises (A) a polyester block copolymer, (B) a polyepoxy compound and (C) a polycarbodiimide compound. The copolymer (A) is obtainable by a reaction of (a1) a crystalline aromatic polyester and (a2) a lactone, and if necessary (a3) at least one compound selected from the group consisting of a polycarboxylic acid or an ester-formable derivative thereof and a polyol or an ester-formable derivative thereof in the presence of an acidic phosphate ester and a tin compound. Such a resin composition is particularly excellent in recycling efficiency (or thermal cycling resistance) and is useful for blow molding. | 08-06-2009 |
| 20090275706 | Lactic Acid Based Compositions with Enhanced Properties - A crosslinked lactic acid polymer composition containing (i) a macromer comprising (i-a) a flexible segment produced by the condensation of two or more compounds selected from the group consisting of lactones, furans, epoxies, isocyanates, anhydrides, dianhydrides, alcohols, diols, triols, carboxylic acids, dicarboxylic acids, tricarboxylic acids, esters, diesters, triesters, ethers, diethers, and triethers; and (ii) a lactic acid polymer produced by the condensation of a lactic acid monomer or dimer selected from the group consisting of | 11-05-2009 |
| 20090281249 | Bioabsorbable Polymeric Composition for a Medical Device - A biodegradable and biocompatible nontoxic polymeric composition is provided which includes a base material such as a crystallizable polymer, copolymer, or terpolymer, and a copolymer or terpolymer additive. Medical devices manufactured from the composition are also provided. | 11-12-2009 |
| 20100093946 | Bioabsorbable Polymeric Compositions and Medical Devices - The bioabsorbable polymers and compositions of the present invention may be formed into medical devices such as stents that can be crimped onto a catheter system for delivery into a blood vessel. The properties of the bioabsorbable polymers allow for both crimping and expansion of the stent. The crystal properties of the bioabsorbable polymers may change during crimping and/or expansion allowing for improved mechanical properties such as tensile strength and slower degradation kinetics. Typically, bioabsorbable polymers comprise aliphatic polyesters based on lactide backbone such as poly L-lactide, poly D-lactide, poly D,L-lactide, mesolactide, glycolides, lactones, as homopolymers or copolymers, as well as formed in copolymer moieties with co-monomers such as, trimethylene carbonate (TMC) or ε-caprolactone (ECL). | 04-15-2010 |
| 20100130699 | POLYLACTIC ACID COMPOSITION AND FIBER THEREOF - A polylactic acid composition (A) comprising a polylactic acid component (B) comprising at least 90 mol % of an L-lactic acid unit and less than 10% of copolymerizing component units other than L-lactic acid, and a polylactic acid component (C) comprising at least 90 mol % of a D-lactic acid unit and less than 10 mol % of copolymerizing component units other than D-lactic acid, which is a mixed composition with a (B)/(C) weight ratio of between 10/90 and 90/10. | 05-27-2010 |
| 20100137526 | POLYMER AND A FILM OR SHEET CONTAINING THE SAME - Provided is a polymer prepared by using a vegetable oil-derived component and favorably used as a polylactic acid resin-softening agent that is effective in softening the polylactic acid resin while preserving the transparency of the polylactic acid resin and simultaneously resistant to bleeding out (extraction) of itself from the polylactic acid resin. Also provided are a resin mixture of the resin composition and a polylactic acid resin as well as a film or sheet prepared by using the resin mixture. | 06-03-2010 |
| 20100210792 | DRUG DELIVERY - Formulations of drugs and crystalline side chain polymers to provide controlled and/or sustained release drug formulations. | 08-19-2010 |
| 20110021717 | Method To Make Poly(L-Lactide) Stent With Tunable Degradation Rate - Methods of making a biodegradable polymeric stent made from poly(L-lactide) and a low concentration of L-lactide monomer is disclosed. The concentration of L-lactide is adjusted to provide a degradation behavior that is suitable for different treatment applications including coronary, peripheral, and nasal. Methods include making a poly(L-lactide) material for a stent with uniformly distributed L-lactide monomer through control of polymerization conditions during PLLA synthesis, control of post-processing conditions, or both. | 01-27-2011 |
| 20110105695 | Method for making Plas stereocomplexes - PLA stereocomplexes are formed from poly-D-PLA and poly-L-PLA oligomers. The oligomers contain functional groups which allow them to react with each other or with an added curing agent to produce a high molecular weight block copolymer. Heat treatment of the resin permits the resin to develop crystallites having a melting temperature of 185° C. or more. | 05-05-2011 |
| 20110136988 | CONDENSATION POLYMERS WITH MODIFIED PROPERTIES - The present invention relates to a method of preparing a polymer composition, the method comprising melt mixing an aliphatic condensation polymer with a cyclic ester of general formula (I) where X is an optionally substituted aliphatic hydrocarbon having 2 or more carbon atoms present in the cycle. | 06-09-2011 |
| 20120142869 | Bioabsorbable Polymeric Composition for a Medical Device - A biodegradable and biocompatible nontoxic polymeric composition is provided which includes a base material such as a crystallizable polymer, copolymer, or terpolymer, and a copolymer or terpolymer additive. Medical devices manufactured from the composition are also provided. | 06-07-2012 |
| 20120252983 | CYCLIC CARBONYL COMPOUNDS WITH PENDANT CARBONATE GROUPS, PREPARATIONS THEREOF, AND POLYMERS THEREFROM - A one pot method of preparing cyclic carbonyl compounds comprising an active pendant pentafluorophenyl carbonate group is disclosed. The cyclic carbonyl compounds can be polymerized by ring opening methods to form ROP polymers comprising repeat units comprising a side chain pentafluorophenyl carbonate group. Using a suitable nucleophile, the pendant pentafluorophenyl carbonate group can be selectively transformed into a variety of other functional groups before or after the ring opening polymerization. | 10-04-2012 |
| 20120283391 | BIODEGRADABLE THERMOPLASTIC ELASTOMERS - The present invention relates to a biodegradable thermoplastic elastomer having the general formula A-B-A wherein each A is an amorphous polymer having a glass transition temperature (Tg)>40° C. or a semi-crystalline polymer having a glass transition temperature (Tg) and/or melting temperature (Tm)>40° C.; B is a copolymer of -caprolactone (CL) and at least one additional monomer selected from the group consisting of L-lactic acid (LLA), trimethyl carbonate (TMC), and glycolic acid (GA), or B is different to A and is lactic-co-glycolic acid (LGA); and wherein the molar ratio of CL to the at least one additional monomer in the copolymer B is in the range between about 1:0.09 to about 1:1. | 11-08-2012 |
| 20130030129 | MANUFACTURING METHOD OF POLY LACTIC ACID STEREOCOMPLEX USING SOLVENT CASTING METHOD - Disclosed is a method for manufacturing a polylactic acid film. More specifically, the present invention relates to a method for stably and effectively obtaining optimized stereocomplex crystals through specified boiling point and evaporation time of a solvent allowing the content of stereocomplex crystals to be 100%. | 01-31-2013 |
| 20130296500 | METHODS FOR PREPARING POLYMERS HAVING LOW RESIDUAL MONOMER CONTENT - Methods are provided for preparing polymer mixtures having low residual monomer content. The methods comprise mixing the at least two polymers in a solvent to form a polymeric mixture, the polymeric mixture comprising at least one residual monomer; and adding an antisolvent to the polymeric mixture so as to separate the at least two polymers from the polymeric mixture, where the residual monomer is soluble in the antisolvent. In some embodiments, methods are provided for preparing at least two polymers having low residual monomer content, the methods comprise adding an antisolvent to a mixture of at least two polymers dissolved in a solvent so as to precipitate the at least two polymers from the solvent and anti-solvent. The methods provided avoid steps in dry blending of polymers and produces polymer blends that have low residual monomer content. | 11-07-2013 |
| 20130324676 | IMPLANTABLE MEDICAL DEVICES FABRICATED FROM POLYURETHANES WITH BIODEGRADABLE HARD AND SOFT BLOCKS AND BLENDS THEREOF - Medical devices, such as stents, fabricated at least in part from a polymer composite including a biodegradable elastomeric phase dispersed within a biodegradable polymeric matrix are disclosed. The composite is composed of a polyurethane block copolymer including soft polymer blocks and a hard polymer blocks. | 12-05-2013 |
| 20140005341 | DEGRADABLE POLYMERS, METHODS OF MAKING THE SAME, AND USES THEREOF | 01-02-2014 |
| 20140018505 | BIODEGRADABLE PARTICLE, VASCULAR EMBOLIZATION MATERIAL AND METHOD FOR PRODUCING BIODEGRADABLE PARTICLES - A biodegradable particle including a block copolymer produced by copolymerization of a biodegradable copolymer having a structure composed of hydroxycarboxylic acid a1, whose homopolymer produced by homopolymerization has a glass transition point of not less than 40° C. and hydroxycarboxylic acid a2, whose homopolymer produced by homopolymerization has a glass transition point of not more than −40° C.; a water-soluble polymer comprising a functional group selected from the group consisting of a hydroxyl group, amino group and carboxylic acid group at each of both ends; and a polyvalent compound comprising 2 or more functional groups each selected from the group consisting of a hydroxyl group, amino group and carboxylic acid group; wherein a ratio of mass of said structure composed of hydroxycarboxylic acid a2 to mass of said biodegradable copolymer is 30 to 90% by mass. | 01-16-2014 |
| 20140073745 | Biodegradable Polymer Blend - A fully degradable and a compostable polyester based blend that is free from non- degradable organic or inorganic additives such as nucleating agents and the like. The thermal properties of the present blend are configured for optimised flow rate during process moulding via a ‘flow rate enhancing component’ being a relative low molecular weight biodegradable polyester. The blend also provides a resultant moulded article having the appropriate mechanical, physical and chemical properties including greatly improved toughness over existing PLA based blends. This is achieved by incorporating a ‘toughening component’ within the blend being a relatively high molecular weight component relative to the flow rate enhancing component. | 03-13-2014 |
| 20140187726 | Segmented, Semicrystalline Poly(Lactide-co-epsilon-Caprolactone) Absorbable Copolymers - Novel semi-crystalline, segmented copolymers of lactide and epsilon-caprolactone exhibiting long term absorption characteristics are disclosed. The novel polymer compositions are useful for long term absorbable meshes, surgical sutures, especially monofilament sutures, and other medical devices. | 07-03-2014 |
| 20140296448 | METHOD FOR PRODUCING POLYMER, DEVICE FOR PRODUCING POLYMER, DEVICE FOR PRODUCING COMPLEX, AND POLYMER PRODUCT - To pvodie a method for producing a polymer, which contains continuously supplying and bringing at least a ring-opening polymerizable monomer and a compressive fluid into contact with each other, to thereby allow the ring-opening polymerizable monomer to carry out ring-opening polymerization to continuously generate a polymer. | 10-02-2014 |
| 20140296449 | METHODS FOR PREPARING POLYMERS HAVING LOW RESIDUAL MONOMER CONTENT - Methods are provided for preparing polymer mixtures having low residual monomer content. The methods comprise mixing the at least two polymers in a solvent to form a polymeric mixture, the polymeric mixture comprising at least one residual monomer; and adding an antisolvent to the polymeric mixture so as to separate the at least two polymers from the polymeric mixture, where the residual monomer is soluble in the antisolvent. In some embodiments, methods are provided for preparing at least two polymers having low residual monomer content, the methods comprise adding an antisolvent to a mixture of at least two polymers dissolved in a solvent so as to precipitate the at least two polymers from the solvent and anti-solvent. The methods provided avoid steps in dry blending of polymers and produces polymer blends that have low residual monomer content. | 10-02-2014 |
| 20140364575 | POLYESTER IMPLANTABLE MEDICAL DEVICE WITH CONTROLLED IN VIVO BIODEGRADABILITY - This invention relates to blends of high, optionally medium, and low molecular weight polyesters where at least the low molecular weight polyester is substituted with an acidic moiety, the biodegradation of the blends being controllable by selection of the mean molecular weigh of each fraction, the quantity of each fraction in the blend and the amount and pKa of the acidic moiety(ies). | 12-11-2014 |
| 20150018493 | SALEN INDIUM CATALYSTS AND METHODS OF MANUFACTURE AND USE THEREOF - The present application provides salen indium catalysts of the following general structure | 01-15-2015 |
| 20150045517 | CURABLE RESIN COMPOSITION, CURED PRODUCT AND METHOD OF PRODUCING A CURED PRODUCT - A curable resin composition contains (a) a matrix resin component containing a benzoxazine compound (a1), (b) a radically polymerizable component containing a radically polymerizable monomer having solubility parameter (SP) value that is different by 1.0 to 4.1 from the SP of the matrix resin component, and (c) a radical polymerization initiator. The composition has a low viscosity, and its cured product has an improved toughness and excellent mechanical properties. | 02-12-2015 |
| 20150073099 | Bioabsorbable Polymeric Composition for a Medical Device - A biodegradable and biocompatible nontoxic polymeric composition is provided which includes a base material such as a crystallizable polymer, copolymer, or terpolymer, and a copolymer or terpolymer additive. Medical devices manufactured from the composition are also provided. | 03-12-2015 |
| 20150073100 | Bioabsorbable Polymeric Composition for a Medical Device - A biodegradable and biocompatible nontoxic polymeric composition is provided which includes a base material such as a crystallizable polymer, copolymer, or terpolymer, and a copolymer or terpolymer additive. Medical devices manufactured from the composition are also provided. | 03-12-2015 |
| 20150148496 | Absorbable Polymeric Blend Compositions with Precisely Controllable Absorption Rates, Processing Methods, and Dimensionally Stable Medical Devices Therefrom - Novel absorbable polymeric blends are disclosed. The blends have a first absorbable polymer type that is a polylactide polymer or a copolymer of lactide and glycolide and a second absorbable polymer type that is poly(p-dioxanone), wherein the first absorbable polymer type or the second absorbable polymer type or the first absorbable polymer type and the second absorbable polymer type additionally comprise a first polymeric component and a second polymeric component. The first polymeric component has a higher weight average molecular weight than the second polymeric component and at least one of said components is at least partially end-capped by a carboxylic acid. The novel polymeric blends are useful for manufacturing medical devices having dimensional stability, having engineered degradation and breaking strength retention in vivo. Also disclosed are novel absorbable medical devices made from these novel polymer blends, as well as novel methods of manufacture. | 05-28-2015 |
| 20150337095 | GLYCOLIDE-BASED POLYESTERS MADE WITH ISOSORBIDE - A polymer comprises reaction product of (a) one or more diacid, diester thereof, or glycolide, and (b) one or more polyol, wherein component (a) comprises glycolide or combinations thereof, and component (b) consists essentially of isosorbide. | 11-26-2015 |
| 20160060453 | COMPOSITION FOR THE PREPARATION OF A NANOSTRUCTURED BIODEGRADABLE POLYMERIC MATERIAL, THE MATERIAL OBTAINED AND ITS APPLICATIONS - The composition comprises a mixture of: i) poly(L-, D-lactide) homopolymer and, optionally, poly(ε-caprolactone) homopolymer, and ii) poly(L-lactide) and poly(ε-caprolactone) diblock copolymer, where said copolymer has a molar mass of the L-lactide block of 20,000 g/mol to 200,000 g/mol and a molar mass of the ε-caprolactone block of 10,000 g/mol to 100,000 g/mol, with the molar ratio between the L-lactide block and the ε-caprolactone block of 2:1. The invention also refers to the nanostructured material obtained from this composition that is characterised by a nanostructure of two mutually self-assembled phases, one phase being formed by a polymeric matrix of poly(L-, D-lactide) units and the other phase by poly(ε-caprolactone) units self-assembled with the matrix and also its use for the manufacture of a plastic article in the form of a transparent film or thin sheet. | 03-03-2016 |
| 525412000 | Mixed with unsaturated reactant or polymer therefrom | 1 |
| 20090299014 | 3,4-Dicarboxy-1,2,3,4-tetrahydro-6-t-butyl-1-naphthalene-succinic Dianhydride and Liquid Crystal Aligning Agent Comprising Polyimide Resin Prepared from the Dianhydride - 3,4-Dicarboxy-1,2,3,4-tetrahydro-6-t-butyl-1-naphthalene-succinic dianhydride is provided. The tetracarboxylic dianhydride is represented by Formula 1, which is described in the specification. Further provided is a liquid crystal aligning agent comprising a polyimide prepared using the tetracarboxylic dianhydride and a solvent. Further provided is a liquid crystal alignment layer formed using the liquid crystal aligning agent. The liquid crystal alignment layer exhibits excellent electro-optical properties and good processability in terms of printability. | 12-03-2009 |
| 525413000 | Mixed with -O-C(=O)- or hal-C(=O)- reactant or polymer derived therefrom | 1 |
| 20100234536 | PLANT COMPONENT-CONTAINING POLYCARBONATE RESIN COMPOSITION - A resin composition comprising 100 parts by weight of a polycarbonate of which a specific ether diol residue constitutes 40-100 mol % and 1-40 parts by weight of polylactic acid, wherein the polylactic acid is composed of a poly-L-lactic acid component and a poly-D-lactic acid component, and wherein in the melting peak derived from the polylactic acid component during temperature increase for measurement with a differential scanning calorimeter (DSC), the proportion of the melting peak area for 195° C. and above is at least 60% of the sum of the melting peak area for 195° C. and above (high temperature) and the melting peak area for 140-180° C. (low temperature), as determined by measurement of the melting peak derived from the polylactic acid component during temperature increase with a differential scanning calorimeter (DSC). | 09-16-2010 |
| 525414000 | Mixed with aldehyde or aldehyde derivative or polymer derived therefrom | 1 |
| 20080255316 | Compositions For Producing Universal Pigment Preparations - The invention relates to new compositions having good binder, wetting, and dispersing properties for virtually foam-free aqueous and also solventborne and solvent-free pigment preparations. | 10-16-2008 |
| 525415000 | Solid polymer derived from carboxylic acid cyclic ester, e.g., lactone, etc. | 20 |
| 20080207840 | Polylactic Acid Stereocomplex - Polylactic acid blends having a relatively high heat distortion temperature can be prepared by simple blending of PLA polymers of opposite stereoforms, followed by processing, e.g. by injection moulding, under specific conditions of temperature and pressure, so as to produce a blend which, on differential scanning calorimetry, exhibits two peaks within the melting range of the stereocomplex. Moreover, by careful selection of these conditions of temperature and pressure, it is possible to use PLA polymers of significantly higher molecular weights than previously thought possible. | 08-28-2008 |
| 20080249255 | RING-OPENING POLYMERIZATION OF CYCLIC ESTERS, POLYESTERS FORMED THEREBY, AND ARTICLES COMPRISING THE POLYESTERS - Cyclic esters are polymerized in the presence of a catalytic amount of a Group 4 transition metal hydride. The method is capable of producing high molecular weight polyesters with low polydispersities. These high molecular weight polyesters exhibit improved mechanical properties and are useful in a variety of product applications. | 10-09-2008 |
| 20080255317 | Polyester-Polysiloxane Copolymers and Process for their Preparation - Polyester/polysiloxane copolymers are prepared by ring-opening synthesis of hydroxyalkyl- or aminoalkyl functional organopolysiloxanes from a cyclic silazane and an Si—OH functional polysiloxane, followed by reaction with a cyclic lactone such as a caprolactone. The process tolerates functional groups on the polysiloxane segments which are not possible in other synthetic methods. | 10-16-2008 |
| 20090171036 | MATERIAL FOR PRODUCING BIOABSORBABLE MATERIAL, BIOABSORBABLE MATERIAL, AND PROCESS FOR PRODUCING THESE - [Problems]To provide a material for producing a bioabsorbable material in which it is easy to remove a metal zinc catalyst from a bioabsorbable polymer such as a polymer of lactide or a polymer of lactide and caprolactone and it is easy to recycle the removed powdery metal zinc catalyst, and to provide a bioabsorbable material produced from the material for producing a bioabsorbable material. | 07-02-2009 |
| 20100004404 | POLYLACTIC ACID AND METHOD OF PRODUCING THE SAME - A method of producing a stereocomplex polylactic acid having a high melting point and a high molecular weight, wherein only stereocomplex crystals are grown even when melting and crystallization are repeated. | 01-07-2010 |
| 20100041836 | UNSATURATED POLYESTER RESIN COMPOSITIONS - The present invention relates to a two-component composition comprising a first component and a second component, wherein the first component being a pre-accelerated resin composition comprising an unsaturated polyester resin or vinyl ester resin and a copper | 02-18-2010 |
| 20100204411 | ANTIMICROBIAL POLYMER COMPOSITIONS AND THE USE THEREOF - An antimicrobial composition comprising an ionic complex of an anionic polyester with an antimicrobial metal, wherein the anionic polyester has an ion exchange capacity from about 0.19 meq/g to about 1.0 meq/g. | 08-12-2010 |
| 20100216948 | POLYMER MIXTURES COMPRISING POLYMERS HAVING DIFFERENT NON-REPEATING UNITS AND METHODS FOR MAKING AND USING SAME - Described herein are polymer mixtures comprising polymers have at least one different non-repeating unit. Methods for making and using the polymer mixtures are also disclosed. Also disclosed are uses of the polymer mixtures, including methods for making microparticles from the polymer mixtures. | 08-26-2010 |
| 20110112257 | Bacterial poly(hydroxy alkanoate) polymer and natural fiber composites - A biocomposite is produced from natural fiber fabrics embedded in a matrix of biosynthetic polyhydroxy-alkanoate (PHA) polymers. The PHA is synthesized using aerobic microbial biosynthesis using mixed bacterial cultures and a feedstock containing anaerobic degradation products such as methane and volatile fatty acids derived from microbial biodegradation of organic waste materials, which may include waste biocomposites. Monomers may be added to the synthesized PHA polymer to control mechanical properties of the resulting biocomposite. The natural fibers and/or PHA may be pretreated using various techniques to improve the bond between the fibers and the PHA resin matrix and water absorption resistance of the fibers. The composite may be a laminate of treated and untreated fabric layers, or differently treated layers, to achieve good in-service performance as well as rapid and/or optimal biogas production when taken out of service and put in an anaerobic environment to degrade. | 05-12-2011 |
| 20110112258 | Polymerizable Higher Diamondoid Derivatives - Higher diamondoid derivatives capable of taking part in polymerization reactions are disclosed as well as intermediates to these derivatives, polymers formed from these derivatives and methods for preparing the polymers. | 05-12-2011 |
| 20110130521 | Bioabsorbable Polymeric Composition for a Medical Device - A biodegradable and biocompatible nontoxic polymeric composition is provided which includes a base material such as a crystallizable polymer, copolymer, or terpolymer, and a copolymer or terpolymer additive. Medical devices manufactured from the composition are also provided. | 06-02-2011 |
| 20110166301 | POLYESTERS, POLYURETHANES AND PROCESS FOR THEIR PRODUCTION - The invention provides biodegradable polyesters, polyurethanes, comprising 3-carboxymuconolactone as a structural unit, 3-carboxymuconolactone esters and a process for their production. | 07-07-2011 |
| 20110257343 | Multifunctional Degradable Nanoparticles with Control over Size and Functionalities - In one aspect, the invention relates to polymers, crosslinked polymers, functionalized polymers, nanoparticles, and functionalized nanoparticles and methods of making and using same. In one aspect, the invention relates to degradable polymer and degradable nanoparticles. In one aspect, the invention relates to methods of preparing degradable nanoparticles and, more specifically, methods of controlling particle size during the preparation of degradable nanoparticles. In one aspect, the degradable nanoparticles are useful for complexing, delivering, and releasing payloads, including pharmaceutically active payloads. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 10-20-2011 |
| 20110306733 | ALIPHATIC POLYESTER MANUFACTURING METHOD - A process for producing an aliphatic polyester, comprising: subjecting at least two serial stages of bulk-phase ring-opening polymerization and a solid-phase polymerization step, wherein a cyclic ester held in a dry air atmosphere is supplied to a first reactor to perform a first stage polymerization, thereby obtaining a partially polymerized molten product, and the resultant partially polymerized molten product is supplied to a second reactor held under a dry inert gas atmosphere to perform a second stage polymerization. As a result, the production efficiency can be improved, while maintaining excellent properties of the aliphatic polyester product. | 12-15-2011 |
| 20120172537 | PROCESS FOR PRODUCING POLYETHER - To provide a process for producing a polyether, which comprises subjecting an alkylene oxide and the like to ring-opening addition polymerization to an initiator in the presence of a double metal cyanide complex catalyst (DMC catalyst), which can be carried out by use of a DMC catalyst at a low concentration, and accordingly the amount of the DMC catalyst remaining in a polyether to be obtained can be reduced. | 07-05-2012 |
| 20120252984 | BIOCOMPATIBLE POLYMERIC CONTRAST AGENTS AND RADIOPAQUE MATERIALS FOR MEDICAL SERVICES - In accordance with the present invention, a high intensity radiopaque contrast agent is disclosed. The agent may be coated on or incorporated within bulk materials, which may then be subsequently utilized to fabricate a radiopaque medical device. Primary effects through chemistry include higher radiopaque concentrations per unit weight of the radiopaque element or agent. Secondary effects include selective placement of the radiopaque elements which may further enhance the radiopacity of the device with reduced requirements of the radiopaque agent. Such a radiopaque contrast agent may be produced in various forms such as a dendrimer and/or incorporated as the end groups of polymeric chain. In addition one can incorporate biological and/or pharmaceutical agents in combination with the present invention. | 10-04-2012 |
| 20140128553 | UNSATURATED POLYESTER RESIN COMPOSITIONS - The present invention relates to a two-component composition comprising a first component and a second component, wherein the first component being a pre-accelerated resin composition comprising an unsaturated polyester resin or vinyl ester resin and a copper | 05-08-2014 |
| 20140357806 | THERMAL-RESPONSIVE POLYMER NETWORKS, COMPOSITIONS, AND METHODS AND APPLICATIONS RELATED THERETO - The invention relates to materials comprising polymer network containing siloxanes or organic-based core structures, preferably the materials have thermal-responsive properties. In some embodiments, the invention relates to an organic core functionalized with polymers. In another embodiment, organic core-polymer conjugates comprise polylactone segments. The organic core-polymer conjugates may be crosslinked together to form a material, and these materials may be functionalized with bioactive compounds so that the materials have desirable biocompatibility or bioactivity when used in medical devices. | 12-04-2014 |
| 20150018494 | Anhydride End-Capping of Polymers - The disclosure describes a neat, one-pot scheme for reacting a hydroxyl propagating end of a polymer with a cyclic acid anhydride to form a free acid terminus. | 01-15-2015 |
| 20150290859 | PACKAGING AND LABELLING FILMS - The present invention provides a transparent, dimensionally stable, biaxially oriented PLA film having a haze value of less than 3% and exhibiting strain induced crystallinity having been oriented by stretching the film from a substantially non-crystalline state by more than three times its original areal dimensions. The processes for making such films are also disclosed. | 10-15-2015 |
