| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 525279000 | Ethylenic reactant contains nitrogen heterocycle, e.g., pyridine, diazines, etc. | 29 |
| 20090306302 | Process of free-radical polymerization in aqueous disperasion for the preparation of polymers - Process of free-radical polymerization in aqueous dispersion for the preparation of polymers, employing (A) at least one ethylenically unsaturated monomer, one of which is employed as the principal monomer and is selected from styrene and its derivatives, acrylic acid and its derivatives, methacrylic acid and its derivatives, dienes, vinyl esters, vinyl ethers, vinylic pyridine derivatives, vinylsulphonic acid and its derivatives, vinylphosphonic acid and its derivatives, and N-vinyl monomers, (B) at least one free-radical initiator selected from diazo compounds, peroxides and dialkyldiphenylalkanes, (C) molecular iodine, and (D) at least one oxidizing agent whose solubility in water is at least 10 g/l, of which at least one may be the one (B); said process comprising the steps whereby (1) at least one fraction of each of compounds (A), (B), (C) and (D) is introduced into a reactor, and (2) the contents of the reactor are reacted while introducing into the reactor the remainder, where appropriate, of each of compounds (A), (B), (C) and (D). Process of free-radical polymerization in aqueous dispersion for the preparation of block copolymers starting from polymers prepared by the abovementioned process. | 12-10-2009 |
| 20110172368 | Radically Functionalized Olefin-Based Polymer with Reduced Molecular Weight Change and Method - The present disclosure provides a functionalized olefin-based polymer, a process for producing the same, and articles containing the functionalized olefin-based polymer. The functionalized olefin-based polymer includes an olefin-based polymer, and a functional agent grafted to the olefin-based polymer by way of a coagent. The coagent is either a cinnamoyl derivative and/or a cyano-acrylate compound. The presence of the coagent inhibits a change in the molecular weight during radical functionalization of the olefin-based polymer. | 07-14-2011 |
| 20120220729 | LIQUID PHASE SEPARATION OF PLASMID DNA ISOFORMS AND TOPOISOMERS - The invention relates to the use of material comprising a carbamoyl-decorated anion-exchanger ligand wherein a cationic group (C), and a hydrogen donor group (N—H), are connected by a spacer with a length between 3 to 5 atoms, immobilized onto or embedded into a heterogeneous matrix, for the separation of isoforms, topoisomers, oligomeric and multimeric forms of plasmid DNA (pDNA). | 08-30-2012 |
| 20120309904 | Direct Hierarchical Assembly of Nanoparticles - The present invention provides hierarchical assemblies of a block copolymer, a bifunctional linking compound and a nanoparticle. The block copolymers form one micro-domain and the nanoparticles another micro-domain. | 12-06-2012 |
| 20140155555 | Molecularly Imprinted Polymers Selective for Tobacco Specific Nitrosamines and Methods of Using Same - A class of molecularly imprinted polymers that specifically recognizes and binds to TSNAs are useful, for example, in analysis and separation of TSNAs from biological fluids. Such polymers are also useful in methods of treating and manufacturing tobacco products and materials. | 06-05-2014 |
| 20150038648 | Molecularly Imprinted Polymers Selective for Tobacco Specific Nitrosamines and Methods of Using Same - A class of molecularly imprinted polymers that specifically recognizes and binds to TSNAs are useful, for example, in analysis and separation of TSNAs from biological fluids. Such polymers are also useful in methods of treating and manufacturing tobacco products and materials. | 02-05-2015 |
| 525280000 | Block copolymer | 11 |
| 20110124820 | SUPRAMOLECULAR STRUCTURE OF HAVING SUB-NANO SCALE ORDERING - Provided is a crystalline organic polymer in which a main chain formed of amorphous polymer or monomer having a functional group is combined with a side chain by quaternization, cross-linking, hydrogen bonding or organic material-metal interaction. The main chain material having a functional group is combined with the side chain material to have crystallinity, and the organic polymer having crystallinity exhibits excellent diode characteristics. | 05-26-2011 |
| 20120041150 | INORGANIC - ORGANIC HYBRID PARTICLE AND METHOD FOR PRODUCING THE SAME - An object o of the present invention is to provide an inorganic-organic hybrid particle which has a structure where an organic material composed of two or more different components forms separate phases, wherein an inorganic material is included in the phase, and a method for producing the inorganic-organic hybrid particle. The above object is solved by an inorganic-organic hybrid particle which has a structure where an organic material composed of two or more different components forms separate phases, wherein one or more inorganic materials are included in at least one phase. | 02-16-2012 |
| 20120130020 | Poly(Ester Amide)s and Poly(Ester Ether Amide)s With Pendant Crosslinkable Functional Groups - Amino-acid based poly(ester amide) (PEA) or poly(ester ether amide) (PEEA) polymers having pendant cross-linkable functional groups. The polymers can be cross-linked to form a hydrogel. These polymers can be used in biomedical applications. | 05-24-2012 |
| 20130144011 | PROCESS FOR IMPROVING THE FLOW OF PROPERTIES OF POLYMER MELTS - The present invention relates to a process for improving the flow properties of a polymer melt formed from a thermoplastic polymer, the use of particular copolymeric additives to improve the flow properties of a polymer melt formed from a thermoplastic polymer and the use of said polymeric additives as processing aids. | 06-06-2013 |
| 20130289214 | CONTROLLED FREE-RADICAL POLYMERIZATION OF N-VINYL LACTAMS IN AN AQUEOUS MEDIUM - The present invention relates to a method for preparing a polymer based on N-vinyl lactam monomer units, which comprises a step (E) for controlled radical polymerization of a composition comprising:
| 10-31-2013 |
| 20140011958 | PHOTONIC STRUCTURES FROM SELF ASSEMBLY OF BRUSH BLOCK COPOLYMERS AND POLYMER BLENDS - The invention provides a class of block copolymers having a plurality of chemically different blocks, at least a portion of which incorporating polymer side chain groups having a helical secondary structure. The invention also provides structures generated by self-assembly of polymer blends including at least one block copolymer component, such as a brush block polymer or wedge-type block polymer. The invention provides, for example, periodic nanostructures and microstructures generated by self-assembly of block copolymers and polymer blends comprising a mixture of at least one block copolymer component, such as a brush block copolymer, and at least a second component. | 01-09-2014 |
| 20140018504 | IMPACT MODIFIER AND USES THEREOF IN THERMOSET MATERIALS - The present invention relates to an impact modifier and a device and a method for the production thereof, as well as to a method for preparing a thermoset material, or a thermoset material precursor, from the impact modifier. The impact modifier comprises at least one copolymer selected from A-B-A, A-B, and A-B-C block copolymers in which: each block is linked to the other by means of a covalent bond or an intermediate molecule that is connected to one of the blocks by a covalent bond and to the other block by another covalent bond; A is a PMMA homopolymer or a copolymer of methyl methacrylate, A preferably being compatible with the resin; C is either (i) a PMMA homopolymer or a copolymer of methyl methacrylate, or (ii) a polymer based on monomers or a mixture of vinyl monomers, and blocks A and C are identical; and B is incompatible or partially compatible with the thermoset resin and incompatible with block A and optional block C. The impact modifier is characterized in that it takes the form of microgranules having a diameter of less than 1500 μm, and preferably between 400 and 1000 μm. The ratio of the standard-deviation/mean size of the particles is less than 10%, preferably less than 5%. | 01-16-2014 |
| 20140107296 | THERMAL ANNEAL OF BLOCK COPOLYMER FILMS WITH TOP INTERFACE CONSTRAINED TO WET BOTH BLOCKS WITH EQUAL PREFERENCE - Methods for fabricating sub-lithographic, nanoscale microstructures utilizing self-assembling block copolymers, and films and devices formed from these methods are provided. | 04-17-2014 |
| 20140121326 | METHOD FOR FORMING CONJUGATED HETEROAROMATIC HOMOPOLYMER AND COPOLYMER, AND PRODUCTS THEREOF - A method for forming a conjugated heteroaromatic polymer is described, wherein at least one compound of formula (1) is polymerized using an acid as a catalyst, | 05-01-2014 |
| 20150299369 | SELF-ASSEMBLED MATERIAL, IN PARTICULAR A POLYMERIC OR OLIGOMERIC MATERIAL, HAVING A NON-CENTROSYMMETRIC LAMELLAR STRUCTURE - A material is provided having a lamellar, non-centrosymmetric macroscopic structure, essentially consisting of a mixture of at least two populations of objects that are heterogeneous in blocks along an axis, each object consisting of at least two blocks, characterised in that each of the objects is connected to adjacent objects via interactions that involve at least two mutually incompatible blocks of the object and two blocks that are compatible one-to-one with the first of the blocks, and mutually incompatible along the chain of each one of said adjacent objects. The objects can be, in particular, block co-oligomers or copolymers. | 10-22-2015 |
| 20160024244 | Periodic Nanostructures From Self Assembled Wedge-Type Block-Copolymers - The invention provides a class of wedge-type block copolymers having a plurality of chemically different blocks, at least a portion of which incorporates a wedge group-containing block providing useful properties. For example, use of one or more wedge group-containing blocks in some block copolymers of the invention significantly inhibits chain entanglement and, thus, the present block copolymers materials provide a class of polymer materials capable of efficient molecular self-assembly to generate a range of structures, such as periodic nanostructures and microstructures. Materials of the present invention include copolymers having one or more wedge group-containing blocks, and optionally for some applications copolymers also incorporating one or more polymer side group-containing blocks. The present invention also provides useful methods of making and using wedge-type block copolymers. | 01-28-2016 |
| 525281000 | Nitrogen heterocycle contains at least two nitrogen atoms in the same ring | 10 |
| 20080214740 | Hydrolytically Stable Postcrosslinked Superabsorbents - The present invention relates to a process for producing postcrosslinked water-absorbing polymeric formations, comprising the steps of contacting water-absorbing polymeric formations P | 09-04-2008 |
| 20110160404 | Non-Ionic Additives Soluble in Water and in Solvents - The invention relates to copolymers that can be obtained by the polymerization of monomers (A), (B), (C) and (D), where (A) is a monomer of formula (I) wherein A is C | 06-30-2011 |
| 20120271005 | FLUORINE-CONTAINING POLYMER HAVING HETEROAROMATIC RING - There is provided a fluorine-containing polymer having an ionic group which has a heteroaromatic ring and is useful as a material comprising various heteroaromatic ring compounds having a stable fluorine-containing heteroaromatic ring, and further fluorin-containing polymer having a heteroaromatic ring which is useful as a starting material of the above-mentioned polymer or a curing agent. Also, there is provided a fluorine-containing polymer having a heteroaromatic ring such as imidazole in its side chain, a polymer salt thereof, and a polymer composition comprising such a polymer and a polymer salt and a nano filler. | 10-25-2012 |
| 20130066016 | POLYMERS FUNCTIONALIZED WITH HETEROCYCLIC NITRILE COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer and reacting the reactive polymer with a heterocyclic nitrile compound. | 03-14-2013 |
| 20130289215 | Clay Modified Rubber Composition and a Method for Manufacturing Same - A method to improve the cure properties of clay/rubber system. Clay has been exfoliated by ionic liquid surfactant and then added to rubber. The ionic liquid surfactant compatiblizes the clay and rubber and reduces gas permeability, without significantly impairing the rubber cure characteristics. | 10-31-2013 |
| 20130345364 | METHOD OF MAKING SILICONE CONTAINING CONTACT LENS WITH REDUCED AMOUNT OF DILUENTS - The present invention relates to a method of manufacturing a contact lens including the steps of: (i) adding reactive components to a mold, wherein the reactive components comprise (a) at least one hydroxy-containing silicone component having a weight average molecular weight from about 200 to about 15,000 g/mole and (b) at least one mono-ether terminated, mono-methacrylate terminated polyethylene glycol having a weight average molecular weight from about 200 to about 10,000 g/mole; (ii) curing the reactive components within the mold to form the contact lens; and (iii) removing the contact lens from said mold. | 12-26-2013 |
| 20140128550 | 4- AND 5-SUBSTITUTED 1,2,3-TRIAZOLE, AND REGIOISOMER MIXTURES THEREOF, MODIFIED POLYMERS - Provided are novel 4- and 5-substituted 1,2,3-triazoles, and regioisomer mixtures thereof, modified polymers, wherein the substituted 1,2,3-triazoles are modified by reaction with a modifying polymer (maleic anhydride based polymer). Depending upon the ratio of the substituted 1,2,3-triazole to the maleic anhydride based polymer employed, the resulting modified polymers can provide maleic anhydride based polymers that are partially or fully reacted with the substituted 1,2,3-triazoles. The resulting modified polymers may be partially or fully opened to provide amic acids, carboxylic acids, carboxylic acidic salts, imides, or esters. The novel 4- or 5-substituted 1,2,3-triazoles, and regioisomer mixtures thereof, modified polymers can be converted to a wide variety of useful polymers and may be employed in a wide variety of compositions. An example of a modified polymer may be represented by the structure: formule: (1) wherein m, n, and q are defined herein. | 05-08-2014 |
| 20150065658 | NON-AQUEOUS DISPERSANT, COLOR MATERIAL DISPERSION LIQUID AND METHOD FOR PRODUCING THE SAME, COLOR RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAME, COLOR FILTER, LIQUID CRYSTAL DISPLAY DEVICE, AND ORGANIC LIGHT-EMITTING DISPLAY DEVICE - The present invention is to provide: a non-aqueous dispersant which is excellent in dispersibility and dispersion stability and able to form a resin layer with excellent hydrolysis resistance; a color material dispersion liquid containing the non-aqueous dispersant; and a color resin composition containing the non-aqueous dispersant. | 03-05-2015 |
| 20160160085 | BONDING COMPOSITION AND COMPONENT THEREOF, AND METHOD OF USING THE SAME - A two-part bonding composition includes parts A and B. Part A includes an organoborane-base complex and reactive diluent. Reactive diluent includes: triallyl isocyanurate; triallyl cyanurate; N-allylamide having the formula R | 06-09-2016 |
| 20160251456 | 1,3-DIPOLAR COMPOUND BEARING AN IMIDAZOLE FUNCTIONAL GROUP | 09-01-2016 |
| 525282000 | Imide | 1 |
| 20140011959 | N-PHENYLMALEIMIDE COMPOUND AND COPOLYMER COMPOSITION OBTAINED USING SAME - The present invention provides an N-phenylmaleimide compound that can improve the quality of the obtained copolymer by using N-phenylmaleimide containing impurities in specific amounts or less as at least one component of the copolymerization monomers. The N-phenylmaleimide compound of the present invention contains 0.1% by weight or less of N-(2,5-dioxo-1-phenyl-3-pyrrolidinyl)-N-phenylmaleamic acid (PPMA) and/or 0.3% by weight or less of N-phenylfumaramic acid (PFA). | 01-09-2014 |
| 525283000 | Lactam | 1 |
| 20100168343 | FUNCTIONALIZED POLYMERS, ARTICLES PREPARED THEREFROM, AND METHODS FOR MAKING THE SAME - The invention provides compositions comprising at least one propylene-based polymer, at least one peroxide and at least one coagent. In a preferred example, a composition comprising at least one propylene-based polymer, at least one peroxide, at least one grafting agent, and at least one coagent, and wherein the at least one coagent has a substituted carbon-carbon double bond structure selected from the group consisting of structures (I), (II), (III), (IV) and (V) as follows, including cis and trans isomers wherein D1, D2, D3 and D4 are each, independently, one of the following: (a) a hydrocarbon substituent containing a heteroatom with a nonbonding pair of electrons, and where the heteroatom with the nonbonding pair is directly attached to the carbon-carbon double bond, or (b) a hydrocarbon substituent containing a carbon-carbon pi bonding pair, and where the first carbon of the carbon-carbon pi bonding pair is directly bonded to the carbon-carbon double bond; and wherein the R1, R2 and R3 are each, independently, H, a hydrocarbon substituent, or a substituted hydrocarbon substituent; and wherein R1, R2 and R3, each, independently, does not have the same chemical structure as D1, D2, D3 or D4; and wherein the molar ratio of the “coagent(s)” to “free radicals formed from the peroxide(s)” is from 0.5:1 to 5:1; and wherein the coagent selected from structures (I)-(V) does not contain only one phenyl group, or does not contain only one furyl group. | 07-01-2010 |
