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7632916 |
Process to modify polymeric materials and resulting compositions
Disclosed is a method for modifying a polymer by carrying out a thermally-induced reaction in a mixing apparatus having a high shear environment and devolatilization capabilities. Also disclosed...
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7622532 |
Synthesis of radioactive materials and compositions of same
The present invention relates generally to synthesis of radioactive material, such as a tritiated polymer, and an apparatus for generating electrical current from the nuclear decay process of a...
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7615522 |
Polymers produced by atom transfer radical polymerisation technique with structurally modified terminal groups
The present invention relates to a block copolymer prepared by ATRP, wherein the polymer chain terminal group is structurally modified with the functionally effective group of a lubricant or...
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7608663 |
Method of preparing propionic acid-terminated polymers
The invention provides methods for preparing polymers bearing a terminal propionic acid. The method involves first reacting a water soluble and non-peptidic polymer comprising at least one hydroxyl...
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7598323 |
Resin cross-linking
A method of effecting cross-linking of a resin comprises generating vinyl sulfonyl moieties in situ with the resin, said sulfonyl moieties then undergoing a reaction which effects cross-linking of...
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7550512 |
Medical polymers and uses thereof
The present invention provides a polyethylene glycol derivative having sugar residue-containing side chains and carboxyl group-containing side chains, and a method of preparing the same. The...
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7442213 |
Methods of cleaning a situs with a cleaning composition comprising a polymer system
The present invention relates to stable polymer systems comprising anionic and modified polyamine polymers. When such polymer systems are employed in cleaning compositions, such cleaning...
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7396871 |
Rubber modified acrylic and/or vinyl hybrid resins
This invention relates to a rubber modified acrylic and/or vinyl resin comprising the mini-emulsion polymerization product of at least one rubber compound substantially dissolved in at least one...
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7368502 |
Hydroxyphenyl cross-linked macromolecular network and applications thereof
A dihydroxyphenyl cross-linked macromolecular network is provided that is useful in artificial tissue and tissue engineering applications, such as artificial or synthetic cartilage. The network is...
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7351774 |
Silicon-modified crumb rubber composition
The present invention relates to a modified crumb rubber particle having carbon to silicon bonds created by the reaction of the unsaturation in the crumb rubber particle and silicon hydride, with...
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7348290 |
Arene-ruthenium complexes immobilized on polymers, catalysts consisting of the complexes, and processes for organic syntheses with the same
A novel polymer-supported arene-ruthenium complex represented by the following formula:
, wherein A represents an organic polymer with a side chain containing an aromatic ring coordinated to...
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7326754 |
Thermoset adhesive films
This invention is a film adhesive prepared from an adhesive composition comprising a polymer system, a film forming rubber compound, and curing agents for the polymeric system. The polymer system...
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7323519 |
Process for producing vinyl polymer, vinyl polymer, and curable composition
The present invention provides: a process for preparing a vinyl polymer containing a halogen in an amount of 1,000 mg or less per kilogram, in which a vinyl polymer containing the halogen produced...
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7291680 |
Metal catalyst and hydrogenation method employing the same
A metal catalyst for hydrogenating unsaturated carbon-carbon bonds of copolymer is provided. The metal catalyst is a bimetallic complex comprising iridium and ruthenium. The metal catalyst has a...
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7253231 |
Grafted multi-functional olefin copolymer VI modifiers and uses thereof
A novel highly grafted, multi-functional olefin copolymer is provided comprising an additive reaction product of a method comprising reacting acylating agent with an olefin copolymer having a...
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7247677 |
Thermosetting powder coating composition
There is provided a thermosetting powder coating composition comprising (A1) a fluorine-containing copolymer and (B) a curing agent, in which the copolymer contains, as essential structural units,...
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7238405 |
Insulating material containing cycloolefin polymer
An insulating material comprising a cycloolefin polymer, specifically, an interlayer insulating material for a high-density assembly board having interlayer-connecting via holes at most 200 μm in...
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7189789 |
Curable fluoropolyether composition and rubber article
A curable fluoropolyether composition comprising (A) a fluoropolyether compound containing alkenyl radicals and having a fluorine content of at least 40% by weight, (B) a curing agent in the form...
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7163985 |
Polymer systems and cleaning compositions comprising the same
The present invention relates to stable polymer systems comprising anionic and modified polyamine polymers. When such polymer systems are employed in cleaning compositions, such cleaning...
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7160949 |
Olefin block copolymers, processes for producing the same and uses thereof
Olefin block copolymers (A-1) are disclosed represented by the formula (I) PO 1 -g 1 -B 1 . . . (I) wherein PO 1 is a segment comprised of repeating units derived from an olefin having 2 to 20...
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7160958 |
Method of increasing the absorption rate of peroxides into polymer particles
The present invention provides a method of increasing the absorption rate of peroxides into polymer particles used to fabricate electrical cable insulation. The method includes contacting the...
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7144962 |
Method for surface treatment of rubber process for production of rubber articles, rubber compositions, rubber molding, and process for production thereof
A method for the surface treatment of rubber, a process for production of a rubber article, and a rubber composition wherein a structure derived from a fluorine compound containing a fluoroalkyl at...
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7129293 |
Crosslinked polymers, fine polymer particle, and process for producing these
A crosslinked polymer or polymer fine particles which can be obtained through copolymerization of at least a macromonomer having a polyethylene glycol segment, a comonomer having tertiary amine...
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7109284 |
Olefin polymerization catalyst, process for polymerizing olefins, ethylene polymer obtained by said process and use thereof
The present invention provides a novel olefin polymerization catalyst having excellent olefin polymerization activity and, in polymerization with the catalyst comprising a transition metal...
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7084208 |
N-halamine vinyl compounds and their polymeric biocides
The present invention provides heterocyclic vinylic compounds that can be used to form biocidal polymers. The polymers thus generated can used alone or can be grafted onto textiles, fabrics and...
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7084212 |
Vulcanization accelerators
The present invention relates to vulcanization accelerators constituted by compounds, derived from secondary amines, belonging to the class of enamines and to a process for their preparation.
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7081500 |
Blocked mercaptosilane coupling agents for filled rubbers
Blocked mercaptosilanes are provided in which the blocking group contains and unsaturated heteroatom or carbon chemically bound directly to sulfur via a single bond. This blocking group optionally...
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7071264 |
Branched polymers and coating compositions made therefrom
This invention relates to rapid curing coating compositions that are particularly useful for automotive OEM and refinish applications. The coating composition includes a crosslinkable component...
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7049364 |
Aqueous dispersion
The invention provides an aqueous dispersion which includes i) an aqueous dispersion (I) resulting from dispersion of a block copolymer (I) composed of at least one polymer block (A) containing...
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7045580 |
Oil-in-water emulsifiers
The invention provides an amphiphilic compound suitable for oil-in-water systems. The amphiphilic compound contains: (a) a lipophilic component that is hydrocarbon group containing about 20 or more...
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7034081 |
Highly branched diene polymers
The present invention relates to highly branched and coupled polymers based on conjugated dienes or on conjugated dienes and vinylaromatic compounds and on polyfunctional, organic compounds with at...
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7026406 |
Syndiotactic styrene polymers and process for the production thereof
A syndiotactic styrenic polymer having a narrow molecular weight distribution which is a (co)polymer comprising at least one structural unit represented by the following Formula (1):
wherein C...
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7022763 |
Branched olefin copolymer, process for producing the same, and use thereof
A branched olefin copolymer demonstrating excellent performance in various uses, comprising a building block (A) represented by formula (1) below and a building block (B) represented by formula (2)...
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7008999 |
Method for doping a polymer
A method for forming a conjugated polymer which is doped by a dopant includes the steps of (a) adding a doping agent comprising a dopant moiety to a solution containing the conjugated polymer or a...
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6994964 |
Macromolecular arrays on polymeric brushes and methods for preparing the same
Polymeric brush substrates and methods for their preparation are provided. Methods are also provided for preparing macromolecular arrays on such polymeric brush substrates. Using polymeric brush...
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6992148 |
Recovery of antimony catalyst residues from bromination reaction mixtures
A process for brominating a styrenic polymer in an organic solvent in the presence of an antimony trihalide catalyst such that a reaction mass containing brominated styrenic polymer in an organic...
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6962959 |
Composite electrolyte with crosslinking agents
A covalent crosslinking of ion-conducting materials via sulfonic acid groups can be applied to various low cost electrolyte membrane base materials for improved fuel cell performance metrics...
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6946524 |
Methods for producing polyester amides based on polyisobutylenes, polyester amides produced thereby, and uses therefor in stabilizing crude oil
Processes for producing polyester amides, by reacting a polyisobutylene with a first reagent selected from the group consisting of at least monounsaturated acids having from 3 to 21 carbon atoms...
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6936657 |
Dispersion composition and method for producing the same
There is provided a dispersion composition which has excellent dispersion stability and hardly sediments even after a long-term storage. This dispersion composition is a composition comprising a...
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6919401 |
Elastomer composition and rubber roller composed thereof
A rubber roller formed by molding an elastomer composition not less than 250 μs nor more than 400 μs in a T 2 relaxation time (spin-spin relaxation) of a bound rubber formed between a rubber...
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6916767 |
Antioxidant amines based on n-(4aniliophenyl) amides antioxidant amines based on n-(4-anilinophenyl) amides
A composition of matter is disclosed wherein the composition comprises an N-aromatic substituted acid amide compound selected from the group consisting of compounds of formula (I) wherein A and B...
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6916545 |
Resin composition, thermoplastic resin laminate, and production methods thereof
A resin composition to be used as a material for a various part of an automotive vehicle. The resin composition comprises a copolymer (A) formed by copolymerization of a first unsaturated monomer...
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6875804 |
Syndiotactic polystyrene compositions having improved impact strength
The syndiotactic polystirene resin composition according to the present invention is superior in compatibility between a syndiotactic polystyrene and a rubber component and mechanical properties...
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6835804 |
Preparation of polymer, and resist composition using the polymer
A polymer comprising recurring units of formula (2) is prepared by effecting deblocking reaction on a polymer comprising recurring units of formula (1) in the presence of an acid catalyst. In...
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6828387 |
Polyisoprene articles and process for making the same
The invention disclosed herein relates to an improved process for making elastomeric polyisoprene articles. In particular, the process of the invention is a system which produces synthetic...
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6806319 |
Retarding the thermal degradation of polymers using unsaturated aliphatic compounds
The thermal stability of a polymer is improved by blending, before melt processing, (1) a polymer selected from (a) olefin polymers, (b) polymers of vinyl-substituted aromatic compounds, (c)...
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6803424 |
Process for crosslinking of ethylene/acrylic ester copolymers
Disclosed is a process for crosslinking copolymers of ethylene and acrylic esters by converting some of the ester groups to ester or amide groups which contain unsaturation, and then sulfur or...
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6784240 |
Curable composition
The invention relates to a curable composition comprising a crosslinking silyl-containing vinyl polymer. The curable composition of the invention can be utilized, for example, as sealants such as...
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6747114 |
Polypropylene-based adhesive compositions
An adhesive blend is described that can include a semi-crystalline copolymer of propylene and at least one comonomer selected from the group consisting of ethylene and at least one C 4 to C 20 ...
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6743889 |
Hyperbranched ether-ketone co-polymers
Novel ether-ketone hyperbranched co-polymers are prepared by co-polymerizing 3,5-bis(4-fluorobenzoyl)phenol and 4-fluoro-4′-hydroxybenzophenone. The resulting copolymer has repeating units of the...
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