| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 528220000 | FROM KETONE OR KETENE REACTANT | 35 |
| 20090082539 | Medical devices made of a polymer material - Medical device (Δ) comprising at least one part (π) consisting of a polymer material (M) comprising at least one kinked rigid-rod polyarylene (P) of which more than 50 wt. % of the recurring units are recurring units (R) of one or more formulae consisting of an optionally substituted arylene group which is linked by each of its two ends to two other optionally substituted arylene groups via a direct C—C linkage. The recurring units (R) are a mix (μ) consisting of (i) between 0 and 75 mole %, of rigid rod-forming arylene units (Ra) and (ii) between 25 and 100 mole % of kink-forming arylene units (Rb), both contents being based on the total number of moles of the recurring units (R). Arylene units (Ra) and/or (Rb) may be optionally substituted by at least one monovalent substituting group. | 03-26-2009 |
| 20090240022 | LIQUID CRYSTAL POLYMER AND FILM THEREOF - A liquid crystal polymer represented by the following formula (I): | 09-24-2009 |
| 20100048858 | POLY(P-XYLYLENE)-BASED POLYMER HAVING LOW DIELECTRIC CONSTANT AND LOW-LOSS PROPERTY AND INSULATING MATERIAL, PRINTED CIRCUIT BOARD AND FUNCTIONAL ELEMENT USING THE SAME - The present invention relates to a poly(p-xylylene)-based polymer having a low dielectric constant suitable for low loss dielectrics (LLD), and an insulating material, a printed circuit board and a functional element using the same. More particularly, the poly(p-xylylene)-based polymer includes at least one repeat unit expressed by the following formula (1): | 02-25-2010 |
| 20100056749 | PROCESS FOR THE SYNTHESIS OF DIAMINOPYRIDINES FROM GLUTARIMIDINES - A liquid-phase process is provided for the synthesis from glutarimidines of diaminopyridines and related compounds, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process. | 03-04-2010 |
| 20110172385 | Solvent resistant polymers - What is disclosed relates to polymers that resist dissolution in organic solvents, are vasodilators, and are tunable explosives. These polymers also form solvent resistant coatings and solvent resistant fibers as well as bonding materials. | 07-14-2011 |
| 20110224400 | COPOLYMER POLYESTER RESIN AND MOLDED PRODUCT USING SAME - The present invention relates to a copolymer polyester resin and a molded product using the same, and more specifically to a copolymer polyester resin that contains 10˜80 mol % of 1,4-cyclohexane dimethanol, 0.1˜50 mol % of a diol compound expressed as HO—(CH | 09-15-2011 |
| 20130253163 | ELECTRONICALLY CONDUCTIVE POLYMER BINDER FOR LITHIUM-ION BATTERY ELECTRODE - A family of carboxylic acid groups containing fluorene/fluorenon copolymers is disclosed as binders of silicon particles in the fabrication of negative electrodes for use with lithium ion batteries. Triethyleneoxide side chains provide improved adhesion to materials such as, graphite, silicon, silicon alloy, tin, tin alloy. These binders enable the use of silicon as an electrode material as they significantly improve the cycle-ability of silicon by preventing electrode degradation over time. In particular, these polymers, which become conductive on first charge, bind to the silicon particles of the electrode, are flexible so as to better accommodate the expansion and contraction of the electrode during charge/discharge, and being conductive promote the flow battery current. | 09-26-2013 |
| 20140024799 | Sacrificial Polymer Compositions Including Polycarbonates Having Repeat Units Derived From Stereospecific Polycyclic 2,3-Diol Monomers - Embodiments according to the present invention relate to sacrificial polymer compositions that include polycarbonate polymers having repeat units derived from stereospecific polycyclic 2,3-diol monomers. The sacrificial polymer compositions also include an acid generator that is selected from at least one photoacid generator and/or at least one thermal acid generator. In addition, embodiments according to the present invention relate to a method of forming a structure that includes a three-dimensional space interposed between a substrate and an overcoat layer, and a method of temporarily bonding first and second substrates together, which make use of the polycarbonate polymers. | 01-23-2014 |
| 20140039149 | COPOLYMER POLYESTER RESIN AND MOLDED PRODUCT USING SAME - The present invention relates to a copolymer polyester resin and a molded product using the same, and more specifically to a copolymer polyester resin that contains 10˜80 mol % of 1,4-cyclohexane dimethanol, 0.1˜50 mol % of a diol compound expressed as HO—(CH | 02-06-2014 |
| 20140194591 | DECOMPOSABLE POLYMER - A decomposable polymer represented by General Formula (1): | 07-10-2014 |
| 20150045529 | 9,9'-SPIROBIXANTHENE DERIVATIVES FOR ELECTROLUMINESCENT DEVICES - The present invention relates to compounds suitable for use in electronic devices, and to electronic devices, especially organic electroluminescent devices, comprising these compounds. | 02-12-2015 |
| 20160137790 | COPOLYESTERIMIDES DERIVED FROM N,N'-BIS-(HYDROXYALKYL)-BENZOPHENONE-3,3',4,4'-TETRACARBOXYLIC DIIMIDE AND FILMS MADE THEREFROM - A semi-crystalline biaxially oriented film comprising a copolyester which comprises repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and the monomer of formula (I): (I) wherein n=2, 3 or 4, Z is C═0, and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester and is present in an amount of at least about 4 mol % of the glycol fraction of the copolyester. | 05-19-2016 |
| 528222000 | Polymerizing in the presence of a specified material other than a reactant | 4 |
| 528223000 | Material contains a phosphorus or sulfur atom | 3 |
| 20090099332 | FORMALDEHYDE-FREE, OH-FUNCTIONAL, CARBONYL- AND RING-HYDROGENATED KETONE-ALDEHYDE RESINS BASED ON ALKYL ARYL KETONES AND FORMALDEHYDE AND A PROCESS FOR PREPARING THEM - The invention relates to formaldehyde-free, OH-functional, carbonyl- and ring-hydrogenated ketone-aldehyde resins based on alkyl aryl ketones and formaldehyde and having a low fraction of crystallisable compounds, low viscosity, very low colour number, broad solubility, and very high heat stability and light stability, and also to a process for preparing them. | 04-16-2009 |
| 20120035341 | PROCEDE DE POLYMERISATION PAR VOIE CATALYTIQUE DE 1,4-DIOXANES-2,5-DIONES ET LES POLYMERES CORRESPONDANTS - A method for polymerizing 1,4-dioxane-2,5-diones in the presence of a generally protic initiator and at least one catalyst including at least one metal-free organic compound. The latter is a non-metal organic catalyst most often selected from among pyridines of which DMAP is a derivative, sulfonic acids, polycyclic tertiary amines, phosphazenes, thioureas, thioureas/amines, and guanidines. The invention also relates to polymers obtained by the method. | 02-09-2012 |
| 20120329978 | POLYMER DYE - A polymer dye has repeating units of formula (I): | 12-27-2012 |
| 528225000 | Material contains a boron or polyvalent metal atom | 1 |
| 20080262189 | POLYKETONE AND METHOD FOR PRODUCING THE SAME - There is provided a polyketone comprising repeating units, 95-100 mole % of which are 1-oxotrimethylene and having an intrinsic viscosity of 2.5-20 dl/g, wherein the content of Pd element is 0-20 ppm, terminal structures include an alkyl ester group (terminal group A) and an alkyl ketone group (terminal group B), and the equivalent ratio of terminal group A/terminal group B is 0.1-8.0. The polyketone of the present invention can be used in any forms, such as fibers and films, and can be applied to a wide variety of the uses such as clothing, reinforcing materials for rubbers, resins, cements, and optical fibers, electronic materials, battery materials, civil engineering materials, medical materials, daily commodities, fishery materials, and packaging materials. | 10-23-2008 |
| 528226000 | With sulfur-containing reactant | 8 |
| 20080214773 | S-(Alpha, Alpha'-Disubstituted-Alpha"-Acetic Acid) - Substituted Dithiocarbonate Derivatives For Controlled Radical Polymerizations, Process and Polymers Made Therefrom - Dithiocarbonate derivatives are disclosed, along with a process for preparing the same. The dithiocarbonate compounds can be utilized as initators, chain transfer agents and/or terminators in controlled free radical polymerizations. The dithiocarbonates can be used to produce polymers having narrow molecular weight distribution. Advantageously, the compounds of the present invention can also introduce functional groups into the resulting polymers. The dithiocarbonate compounds have low odor and are substantially colorless. | 09-04-2008 |
| 20090149625 | AROMATIC COMPOUND HAVING FLUORENE SKELETON AND POLYARYLENE HAVING SULFONIC ACID GROUP - Sulfonated polyarylenes have excellent processability and methanol resistance. | 06-11-2009 |
| 20090281270 | SULFONATED-POLYPERFLUORO-CYCLOBUTANE-POLYPHENLENE POLYMERS FOR PEM FUEL CELL APPLICATIONS - A polymer for ion conductor applications includes a polymer segment having a perfluorocyclobutyl moiety and a polymer segment not having such a moiety. One of these polymer segments is sulfonated to improve ionic conductivity. Fuel cells incorporating the ion conducting polymers are provided. | 11-12-2009 |
| 20100081783 | Functionalized Main Chain Polymers - A non crosslinked, covalently crosslinked and/or ionically crosslinked polymer, having repeating units of the general formula (1) | 04-01-2010 |
| 20110124837 | Polymeric Violet Anthraquinone Colorant Compositions and Methods For Producing the Same - This invention relates to polymeric violet anthraquinone colorants having at least one poly(oxyalkylene) chain attached to an anthraquinone structure. Such colorants exhibit bright violet shade, excellent compatibility with organic media or aqueous systems, good lightfastness, and excellent thermal stability. The water soluble poly(oxyalkylene) substituted polymeric violet anthraquinone colorants also possess high water solubility, high color strength, non-staining properties, and high pH stability. The processes and methods for making such polymeric violet anthraquinone colorants and their use for coloring consumer products are also provided. | 05-26-2011 |
| 20120220749 | COMBINATIORIAL POLYMERIC COMPOSITIONS FOR DRUG DELIVERY - The present invention is directed towards the synthesis of polymeric drug delivery compositions which would address some of the important and difficult to realize aspects of polymer based drug delivery systems by being, biocompatible, stable, capable of achieving desired drug loading, and safe from accidental release while being non-toxic, easy to fabricate and safe for the environment. | 08-30-2012 |
| 20140107314 | POLYMERIZABLE COMPOSITION - The polymerizable composition of the present invention contains a ketone compound including one or more carbonyl groups, at least one kind of isocyanate compounds and at least one kind of thiol compounds. | 04-17-2014 |
| 20150094446 | SULFONIC ACID GROUP-CONTAINING POLYMER, SULFONIC ACID GROUP-CONTAINING AROMATIC COMPOUND AND METHOD OF MAKING THE SAME, AS WELL AS POLYMER ELECTROLYTE MATERIAL, POLYMER ELECTROLYTE MOLDED PRODUCT AND SOLID POLYMER FUEL CELL USING THE SAME - It is an object of the present invention to provide a sulfonic acid group-containing polymer and a sulfonic acid group-containing aromatic compound, which have excellent proton conductivity even under the low humidification condition, are excellent in mechanical strength and chemical stability and, moreover, can attain high output and excellent physical durability when processed into a solid polymer fuel cell, as well as a polymer electrolyte material, a polymer electrolyte molded product and a solid polymer fuel cell respectively using the same. The sulfonic acid group-containing polymer of the present invention is a sulfonic acid group-containing polymer comprising a constituent unit containing a sulfonic acid group (A1), and a constituent unit not containing a sulfonic acid group (A2), wherein the polymer contains a constituent unit having a specified structure as at least one constituent unit containing a sulfonic acid group (A1) at 25 mol % or more based on a sum of the constituent unit containing a sulfonic acid group (A1). Further, the polymer electrolyte material, polymer electrolyte molded product and solid polymer fuel cell of the present invention are constituted using such a sulfonic acid group-containing polymer. | 04-02-2015 |
| 528227000 | With aldehyde or derivative thereof as reactant | 1 |
| 20100016541 | PROCESS FOR PRODUCING MEK-MODIFIED RESORCIN/FORMALIN RESIN PARALLELLY CARRYING OUT RECOVERY AND REUSE OF SPECIFIED RAW MATERIAL - Recovery and reuse method of the specific raw materials (MEK, methanol and calcium chloride) used in the production of an MEK-modified resorcinol-formalin resin is provided. Furthermore, it is an object to stabilize quality by controlling a calcium chloride concentration in the MEK-modified resin to 100 ppm or less by partially improving the production steps. In a water solvent, resorcinol, a recovered calcium chloride aqueous solution, and a recovered MEK are added and stirred to form a two-phase system, and after adding a hydrochloric acid catalyst, formalin is added dropwise to the reaction system to allow a liquid-liquid heterogeneous reaction to proceed. It is allowed to stand to separate into two layers, and after removing an aqueous layer ( | 01-21-2010 |
| 528228000 | With nitrogen-containing reactant | 10 |
| 20120232241 | NITROGEN-CONTAINING CONDENSED HETEROCYCLIC COMPOUNDS FOR OLEDS - The present invention relates to compounds of the formula (1), formula (2), formula (3) and formula (4) which are suitable for use in electronic devices, in particular organic electroluminescent devices. | 09-13-2012 |
| 20140309398 | OLIGOMER-CORTICOSTEROID CONJUGATES - The invention provides corticosteroids that are chemically modified by covalent attachment of a water-soluble oligomer. A compound of the invention, when administered by any of a number of administration routes, exhibits different properties compared to the properties of the corticosteroid not attached to the water-soluble oligomer. | 10-16-2014 |
| 528229000 | Nitrogen-containing reactant contains an amine group | 8 |
| 20090062502 | Resin having both aromatic ketone structure and benzoxazine structure - The present invention provides a resin having both an aromatic ketone structure and a benzoxazine structure, having a repeat unit represented by following general formula (1) | 03-05-2009 |
| 20090088550 | Composition for conductive materials, conductive material, conductive layer, electronic device, and electronic equipment - The object of the present invention is to provide a composition for conductive materials from which a conductive layer having a high carrier transport ability can be made, a conductive material formed of the composition and having a high carrier transport ability, a conductive layer formed using the conductive material as a main material, an electronic device provided with the conductive layer and having high reliability, and electronic equipment provided with the electronic device. The composition for conductive materials of the present invention comprising a compound represented by the following general formula (A1): wherein two R | 04-02-2009 |
| 20090111965 | NOVEL NITRILE AND AMIDOXIME COMPOUNDS AND METHODS OF PREPARATION - The present application relates to semiconductor processing compositions comprising at least one compound containing at least one amidoxime functional group and to methods of using these compositions in semiconductor processing. The present application also describes the preparation of amidoximes for a semiconductor processing composition by (a) mixing a cyanoethylation catalyst, a nucleophile and an alpha-unsaturated nitrile to produce a cyanoethylation product; and (b) converting a cyano group in the cyanoethylation product into an amidoxime functional group. | 04-30-2009 |
| 20090209725 | POLYIMIDE FILM FOR MOLDING, ITS MANUFACTURING METHOD AND MOLDING PRODUCT - To provide a polyimide film for molding that is light and has excellent surface smoothness, safety, moldability, heat resistance, and handleability and thus can be used as the reflector base material for illuminating devices. | 08-20-2009 |
| 20100152407 | NOVEL COMPOUNDS - Ketimines, enamines and oxazolidines are moisture labile functional groups that in the presence of water undergo hydrolysis to yield free amines. Within the art such latent amines have found utility in curable compositions where it is desirable to initiate cure in the presence moisture. A number of novel polyketimines, polyenamines, polymeric oxazolidines and oxazolidines are disclosed. In particular, polymeric compounds of the above classes derived from C | 06-17-2010 |
| 20100273974 | POLYIMIDE RESIN COMPOSITION, POLYIMIDE PRECURSOR RESIN COMPOSITION FOR THE SAME, PRODUCTION METHOD THEREOF, AND POLYIMIDE FILM AND PRODUCTION METHOD THEREOF - An object of the present invention, which was made to solve the problems above, is to provide a polyimide precursor resin composition superior in transparency allowing reduction of the residual volatile material rate during molding and giving a polyimide resin composition (e.g., polyimide film) superior in mechanical properties and transparency even when a cheaper polyamide-imide is used. The present invention relates to a polyimide precursor resin composition, comprising a polyamide-imide (A) containing a diamine monomer unit represented by the following formula (1) and a polyamic acid (B) containing at least one kind of monomer unit selected tetracarboxylic acid monomer units represented by the following formulae (2p) to (2r), wherein the haze of the film having a thickness of 40 μm obtained by imidation of the polyimide precursor resin composition is 4% or less: | 10-28-2010 |
| 20120259087 | BICARBONATE PRECURSORS, METHOD FOR PREPARING SAME AND USES THEREOF - The present invention concerns a compound of following formula (I): | 10-11-2012 |
| 20140148569 | Oxidation Of Cyclohexylbenzene - In a process for oxidizing a feed comprising cyclohexylbenzene, the feed is contacted with oxygen and an oxidation catalyst in a plurality of reaction zones connected in series, the contacting being conducted under conditions being effective to oxidize part of the cyclohexylbenzene in the feed to cyclohexylbenzene hydroperoxide in each reaction zone. At least one of the plurality of reaction zones has a reaction condition that is different from another of the plurality of reaction zones. The different reaction conditions may include one or more of (a) a progressively decreasing temperature and (b) a progressively increasing oxidation catalyst concentration as the feed flows from one reaction zone to subsequent reaction zones in the series. | 05-29-2014 |
