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| Number | Title | Issue Date |
| 7399817 | Olefin copolymers containing hydrolytically cleavable linkages and use thereof in degradable products The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or a... | 07/15/2008 |
| 7312291 | Concrete admixture additive A new family of concrete admixture additives can be derived from reacting a mixture of olefins/cyclic olefins-maleic anhydride copolymers and methoxy polyethylene glycol amines and/or polyethylene glycol monoalkyl ethers, or a mixture of styrene-maleic anhydride cop... | 12/25/2007 |
| 7132491 | Chain transfer reagent, free radical polymerization employing the same and resulting polymers Organometallic reversible addition-fragmentation chain transfer reagents (RAFT reagents), processes of free radical polymerization employing the same and polymers with low polydispersity index obtained thereby. The process includes polymerizing at least one monomer ... | 11/07/2006 |
| 7087654 | Ion exchange and electrochemical methods and devices employing one-step quaternized and polymerized anion selective polymers The invention provides ion exchange and electrochemical methods and devices employing anion exchange polymers produced by substantially simultaneous quaternization and polymerization reactions. Anion selective polymers are produced in accordance with the invention b... | 08/08/2006 |
| 7037992 | Olefin copolymers containing hydrolytically cleavable linkages and use thereof in degradable products The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or a... | 05/02/2006 |
| 6538089 | Gels with a shape memory A physically cross-linked copolymer comprising hydrophobic monomers, hydrogen bonding monomers, and thermosensitive monomers, said thermosensitive monomers having a distinct phase change at its lower critical solution temperature (LCST) when existing as a... | 03/25/2003 |
| 6489425 | Styrene/macromonomer random polymer having excellent melt flowability and impact strength and method of preparing the same A styrene random copolymer includes at least one unit of styrene derivative and at least one unit of macromonomer. The at least one unit of styrene derivative is polymerized from a styrene derivative monomer of formula (1). The at least one unit of macrom... | 12/03/2002 |
| 6482907 | Polymerization of olefins Olefins containing selected functional groups such as silyl, ether and alkenyl, and often containing a blocking group, may be copolymerized with unsubstituted olefins such as ethylene and propylene in the presence of certain coordination compounds of nick... | 11/19/2002 |
| 6455655 | Emulsion styrene-butadiene rubber This invention discloses an emulsion styrene-butadiene rubber (SBR) that can be employed in manufacturing tire tread formulations that have rolling resistance and treadwear characteristics that are similar to those made with solution SBR but with improved... | 09/24/2002 |
| 6410672 | Ion exchange and electrochemical methods and devices employing one-step quaternized and polymerized anion selective polymers The invention provides ion exchange and electrochemical methods and devices employing anion exchange polymers produced by substantially simultaneous quaternization and polymerization reactions. Anion selective polymers are produced in accordance with the ... | 06/25/2002 |
| 6262225 | Carbon monoxide containing polymers derived from synthesis gas (KWP-0002) The invention is related to an olefin-carbon monoxide-vinyl monomer terpolymer composition which is derived from an olefin feed and a synthesis gas feed and at least one vinyl monomer feed. The invention is also related to a method for preparing olefin-ca... | 07/17/2001 |
| 6204347 | Two-component catalyst for ROMP A catalyst system for the ring-opening metathesis polymerization, which consists of at least two components (a) and (b), wherein (a) is a ruthenium compound of formula I or II RuX2 (L1)m (L2)n (L3) | 03/20/2001 |
| 5929184 | Hydrophilic nonamine-containing and amine-containing copolymers and their use as bile acid sequestrants The present invention relates to polymer compositions and methods of using said compositions for sequestering bile acids in a patient. The polymer compositions of this invention comprise a copolymer characterized by one or more hydrophilic nonamine-contai... | 07/27/1999 |
| 5859160 | Additives for controlling cure rate of polymerizable composition A free radical curable composition that includes a free radical curable and a vinyl aromatic compound that is chemically different than the free radical curable component, wherein the vinyl aromatic compound is present in an amount sufficient to decelerat... | 01/12/1999 |
| 5703188 | Process for removing bile salts from a patient and compositions therefor A method for removing bile salts from a patient by ion exchange by administering to the patient a therapeutically effective amount of one or more highly crosslinked polymers characterized by a repeat unit having the formula ##STR1## or copolymer... | 12/30/1997 |
| 5591799 | Aqueous emulsion materials containing copolymerized vinyl amide monomers and hydrolysis products thereof This invention pertains to aqueous emulsions containing water insoluble, vinyl polymer particles containing polymerized N-vinyl formamide (NVF) units converted to water insoluble vinyl acetate polymers containing cationic, amine functional units. These la... | 01/07/1997 |
| 5436306 | Methine or azamethine dye polymers Methine or azamethine dye polymers useful in nonlinear optics contain as characteristic monomer units radicals of the formulae I, II, III and IV ##STR1## where G is a divalent organic radical, Z is nitrogen or CH, R1 and R2 are each ... | 07/25/1995 |
| 5254650 | Process for the preparation of styrene or styrene derivative-containing copolymers A process for the copolymerization of styrene or -methylstyrene with an unsaturated acid derivative is disclosed. The process is carried out in the presence of a tetrafunctional organic peroxide and produces copolymeric products having significantl... | 10/19/1993 |
| 5200529 | Blocked monomer and polymers therefrom for use as photoresists A new monomer is used to prepare homo or copolymers containing blocked imide groups which are characterized by deblocking in two stages, first when acid catalyzed and thereafter in aqueous alkaline solutions. Such polymers are, therefore, especially usefu... | 04/06/1993 |
| 5116907 | Heat distortion resistant, thermoplastic molding material containing a copolymer, preparation of the molding material and its use A molding material is described which contains, in each based on the sum of A, B and C, A. from 5 to 95, in particular from 20 to 80, % by weight of a copolymer comprising a) from 1 to 95% by weight of styrene, b) not more than 40% by weight of acrylonitrile a... | 05/26/1992 |
| 5061767 | Hydrophilic-hydrophobic polymer composites and membranes A polymer composite, a method of making a polymer composite and a polymer composite membrane. The polymer composite comprises a uniform dispersion of hydrophobic polymeric particles in a continuous phase of a hydrophilic polymer. The new method of forming... | 10/29/1991 |
| 4853450 | Terpolymer latices The invention relates to a latex of an -methylstyrene/acrylonitrile/methacrylamide terpolyer which shows excellent stability to stirring.... | 08/01/1989 |
| 4831077 | Novel-heat resistant adhesives An aqueous adhesive dispersion containing, based on the total weight of the dispersion, 40 to 65% by weight of a copolymer formed by radical copolymerization of ethylene, acrylic esters having alkyl groups of 4 to 12 carbon atoms, vinyl acetate, ethylenic... | 05/16/1989 |
| 4748220 | Preparation of finely divided pulverulent crosslinked copolymers Pulverulent crosslinked copolymers are prepared by polymerizing monomer mixtures consisting of (a) from 70 to 99.99% by weight of monoethylenically unsaturated carboxylic acids, their amides and/or esters of such carboxylic acids and aminoalcohols, (b) fr... | 05/31/1988 |
| 4366099 | Process for treating cosmetic oils so as to modify their properties and cosmetic compositions containing these oils A process for reducing the volatility and improving the emulsifying power of an unsaturated or saturated cosmetic oil comprising heating the cosmetic oil, in the absence of a solvent and under an inert atmosphere, with a homopolymerizable and hydrophilic ... | 12/28/1982 |
| 4328141 | Stabilization of rosin dispersions with low molecular weight non-ionic polymers Low molecular weight, non-ionic copolymers of acrylamide and a monomer selected from the group consisting of styrene, alkyl (C4 -C24) substituted acrylamides and ethylene provide improved mechanical and heat stability to colloidal aq... | 05/04/1982 |
| 4322516 | Copolymers for pressure-sensitive adhesives based on acrylic esters, (meth)acrylamide vinyl acetate and ethylene A copolymer having good properties for use as a pressure-sensitive adhesive from an aqueous dispersion comprising: (a) from 10% to 30% by weight of ethylene units, (b) from 29% to 69% by weight of acrylic ester units, (c) from 20% to 55% by weight of vinyl acetate ... | 03/30/1982 |
| 4301257 | Polyfunctional isocyanates free of alkali and urea groups This invention relates to a polyfunctional isocyanate which is an acrylamide or methacrylamide homopolymer or interpolymer having 20 to 100% of its secondary and tertiary carbon atom amide groups converted to isocyanate groups, said polyfu... | 11/17/1981 |
| 4238579 | Vinylamine aromatic copolymers and salts thereof Vinylamine copolymers are disclosed. These copolymers have randomly distributed repeating units represented by the formula ##STR1## wherein Ar is optionally substituted phenyl, the substituents independently selected from C1 to C6 | 12/09/1980 |
| 4151333 | Cell regulators in structural foams Cellular structure of blown structural polyphenylene oxide resins is regulated by incorporation of certain acrylamide polymers in the molding compositions thereof. The cell regulating acrylamide polymers may be homopolymers or co-polymers of acrylamide, o... | 04/24/1979 |
| 4121032 | Process for preparing alternating copolymer of conjugated vinyl compound and olefinic unsaturated compound with oxygen and boron compound An alternating copolymer of an olefinic unsaturated compound and a conjugated vinyl compound is produced by contacting said monomers with at least one organoboron halide or/and a mixture of at least one organo-compound of metal from Groups IIb, IIIb and I... | 10/17/1978 |
| 3989882 | Process for preparing an alternating copolymer of a conjugated vinyl compound and an olefinic unsaturated compound An alternating copolymer of an olefinic unsaturated compound and a conjugated vinyl compound is produced by contacting said monomers with at least one organoboron halide or/and a mixture of at least one organo-compound of metal from Groups IIb, IIIb and I... | 11/02/1976 |
