Nitrogen Atom Is Part Of A Carboxylic Acid Amide Group Patents (Class 525/296)
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Publication number: 20090142610Abstract: The present invention relates to hotmelt adhesive compositions which comprise at least one thermoplastic polyolefin (P) which is solid at 25° C., and also at least one amide (A) of the formula (I) or (II). These hotmelt adhesive compositions are suitable more particularly for the adhesive bonding of polyolefin films. More particularly it is possible to form assemblies of a substrate (S) and polyolefins bonded with a hotmelt adhesive.Type: ApplicationFiled: November 12, 2008Publication date: June 4, 2009Applicant: SIKA TECHNOLOGY AGInventors: Kai Paschkowski, Joerg Plaumann
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Publication number: 20090123544Abstract: There is presently provided a stimulus-responsive polymer comprising a biodegradable polymer backbone and a stimulus-responsive pendant group attached to the biodegradable polymer backbone, wherein the biodegradable polymer backbone comprises a poly(amino ester) or a poly(amido amine), the poly(amido amine) optionally comprising a disulfide linkage in the backbone.Type: ApplicationFiled: November 2, 2007Publication date: May 14, 2009Inventors: Ye Liu, Decheng Wu, Chaobin He
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Publication number: 20090092655Abstract: Provided are surface modified contact lenses formed from one or more fumaric- or itaconic-containing prepolymers having reactive functionality that is complimentary to surface modifying polymers.Type: ApplicationFiled: September 30, 2008Publication date: April 9, 2009Inventors: Weihong Lang, Yu-Chin Lai
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Publication number: 20080293600Abstract: A grafted polymer, either polyolefin or polyester, containing monomers associated with sludge and varnish control as well as monomers associated with soot handling to provide a graft polymer exhibiting multiple performance attributes. Also described are methods for manufacturing these novel multiple-function graft polymers via solution and melt processes. Lubricating oil compositions containing these novel multiple-function polymers as an additive that display performance characteristics directed to good soot handling and sludge and varnish control as well as control of viscosity increase are described.Type: ApplicationFiled: April 27, 2006Publication date: November 27, 2008Inventors: Irwin L. Goldblatt, Shean-Jer Chen, Richard P. Sauer
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Patent number: 7414093Abstract: A second order modified block copolymer which can be obtained by reacting a first order modified block copolymer with a second order modifier, wherein the first order modified block copolymer comprises a base block copolymer and a functional group-containing first order modifier group bonded to the base block co-polymer, wherein the base block copolymer comprises at least one polymer block comprised mainly of vinyl aromatic hydrocarbon monomer units and at least one polymer block comprised mainly of conjugated diene monomer units, and wherein the second order modifier has a specific functional group which is reactive to the functional group of the first order modifier group of the first order modified block copolymer. A second order modified block copolymer containing polymer composition comprising the second order modified block copolymer as well as a thermoplastic resin and/or a rubbery polymer.Type: GrantFiled: February 2, 2006Date of Patent: August 19, 2008Assignee: Asahi Kasei Chemicals CorporationInventors: Nobuaki Kubo, Yasuhiro Kusanose, Shigeo Nakajima, Takaaki Matsuda, Shigeki Takayama, Toshinori Shiraki
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Patent number: 7371713Abstract: A graft copolymer containing one or more ethylenically-unsaturated, aliphatic or aromatic, nitrogen- and oxygen-containing graftable monomers grafted to a polyolefin is disclosed. Novel monomers, methods of making such monomers, and graft copolymers comprising such monomers are based on reacting an acylating agent with an amine to form a reaction product. The reaction product may include more than one chemical compound formed from the combination of the acylating agent and the amine. The monomer is the graftable, ethylenically unsaturated, aliphatic or aromatic, nitrogen- and oxygen-containing compound(s) of the reaction product. The monomer may, but need not, be recovered from the product mixture. The preferred monomer is the reaction product of maleic anhydride and 4-aminodiphenylamine. Also described is a method of making a dispersant viscosity index improver. The monomer of the present invention may be grafted to a polyolefin in solutions or melts.Type: GrantFiled: May 23, 2003Date of Patent: May 13, 2008Assignee: Castrol LimitedInventors: Irwin L. Goldblatt, Shean-Jer Chen, Manish R. Patel, Stephen T. McKenna
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Patent number: 7300914Abstract: Process for preparing stable polymer concentrates, wherein acryloyldimethyltaurine and/or acryloyldimethyltaurate are free-radically polymerized with at least one further component in the presence of a polymerization medium, a higher-boiling solvent or solvent mixture is added to the resulting reaction product or reaction mixture, and the lower-boiling polymerization medium is removed, optionally under reduced pressure.Type: GrantFiled: April 2, 2004Date of Patent: November 27, 2007Assignee: Clariant Produkte (Deutschland) GmbHInventors: Matthias Loeffler, Roman Morschhaeuser
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Patent number: 7276571Abstract: A process for making phenylene dioxydiacetic acid comprises (a) contacting a dihydroxybenzene under reaction conditions with a salt of haloacetic acid in a solution without adding a haloacetic acid to produce a salt of phenylene dioxydiacetic acid; and (b) optionally converting the salt of phenylene dioxydiacetic acid to free phenylene dioxydiacetic acid. In some embodiments, 1,3-phenylene dioxydiacetic acid (RDOA) is made by reacting resorcinol with sodium chloroacetic acid in a reaction mixture with a pH in the range of about 7 to about 11 and at a temperature from about 70° C. to 105° C. By adjusting the reactions conditions, a relatively high yield of 1,3-phenylene dioxydiacetic acid (i.e., greater than 80%) is obtained. The purified acid can be used in the synthesis of polyester, such as polyethylene terephthalate.Type: GrantFiled: June 29, 2005Date of Patent: October 2, 2007Inventors: Raj B. Durairaj, Michael N. Tackie
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Patent number: 7256238Abstract: A second-order modified block copolymer which can be obtained by reacting a first-order modified block copolymer with a second-order modifier, wherein the first-order modified block copolymer comprises a base block copolymer and a functional group-containing first-order modifier group bonded to the base block copolymer, wherein the base block copolymer comprises at least one polymer block comprised mainly of vinyl aromatic hydrocarbon monomer units and at least one polymer block comprised mainly of conjugated diene monomer units, and wherein the second-order modifier has a specific functional group which is reactive to the functional group of the first-order modifier group of the first-order modified block copolymer. A second-order modified block copolymer-containing polymer composition comprising the second-order modified block copolymer as well as a thermoplastic resin and/or a rubbery polymer.Type: GrantFiled: July 18, 2002Date of Patent: August 14, 2007Assignee: Asahi Kasei Chemicals CorporationInventors: Nobuaki Kubo, Yasuhiro Kusanose, Shigeo Nakajima, Takaaki Matsuda, Shigeki Takayama, Toshinori Shiraki
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Patent number: 7226978Abstract: The invention provides an implantable membrane for regulating the transport of analytes therethrough that includes a matrix including a first polymer; and a second polymer dispersed throughout the matrix, wherein the second polymer forms a network of microdomains which when hydrated are not observable using photomicroscopy at 400× magnification or less. In one aspect, the homogeneous membrane of the present invention has hydrophilic domains dispersed substantially throughout a hydrophobic matrix to provide an optimum balance between oxygen and glucose transport to an electrochemical glucose sensor.Type: GrantFiled: May 22, 2002Date of Patent: June 5, 2007Assignee: DexCom, Inc.Inventors: Mark A. Tapsak, Rathbun K. Rhodes, Mark C. Shults, Jason D. McClure
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Patent number: 7217769Abstract: A medical device with a hydrophilic and lubricious coating, wherein the coating includes a hydrophilic polymeric unit layer deposited on the medical device and cross-linked with a plasma deposited double bond monomer. The hydrophilic polymeric unit can include ethylene oxide with one or more primary or secondary alcohol groups or glycosaminoglycans such as hyaluronic acid, and the double bond monomer includes monomers containing at least one double bond, preferably a C?C, C?N or C?O bond, including N-trimethylsilyl-allylamine, ethylene, propylene and allyl alcohol.Type: GrantFiled: July 16, 2004Date of Patent: May 15, 2007Assignee: BioSurface Engineering Technologies, Inc.Inventors: Paul O. Zamora, Meng Chen, Shigemasa Osaki, Ting-Ting Hsieh, Ray Tsang
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Patent number: 7196141Abstract: The present invention provides a vinyl polymer with an epoxy group terminally introduced therein and an epoxy resin composition comprising (A) an epoxy resin and (B) a vinyl polymer which has a main chain produced by living-radical polymerization and has a reactive functional group at a main chain terminus. A flexible epoxy resin composition can be obtained using these compounds. The invention further provides an epoxy resin composition-having an epoxy group at a main chain terminus thereof.Type: GrantFiled: September 7, 2006Date of Patent: March 27, 2007Assignee: Kaneka CorporationInventors: Kenichi Kitano, Yoshiki Nakagawa, Masayuki Fujita
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Patent number: 7144951Abstract: A process is disclosed that comprises solution grafting a hydrocarbon polymer prepared from at least C2 to C28 polymerizable hydrocarbon, said polymer having a number average molecular weight in the range of from about 5,000 to about 500,000, with an ethylenically unsaturated C3 to C10 carboxylic acid material, using a free radical initiator, in the presence of an aromatic ester oil of the formula (I) wherein R1, R2, R3, R4, R5, and R6 are independently selected from the group consisting of hydrogen, —COOR7, —COOR8, —COOR9, —COOR10, —COOR11, and —COOR12, provided that no more than 5 of R1, R2, R3, R4, R5 and R6 are hydrogen, and R7, R8, R9, R10, R11, and R12 are independently selected from the group consisting of alkyl and alkylestersType: GrantFiled: September 14, 2001Date of Patent: December 5, 2006Assignee: Crompton CorporationInventors: Karl Duyck, Theodore E. Nalesnik, Uyen Thanh Tran
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Patent number: 7067586Abstract: Block copolymers are prepared by living-type or semi-living type free radical polymerization, with said copolymers having at least one random block comprised of at least one hydrophobic monomer and at least one hydrophilic monomer. The selection of hydrophobic and hydrophilic monomers in the random block is determined by the relative hydrophobicity of the monomers to impart selected solubility or dispersability in water and/or alcohols of the overall block copolymer.Type: GrantFiled: June 29, 2004Date of Patent: June 27, 2006Assignee: Symyx Technologies, Inc.Inventors: Mingjun Liu, Damian Hajduk, Jean M. J. Frechet, Ezat Khoshdel, Ralph B. Nielsen, Dominique Charmot
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Patent number: 6989425Abstract: Process for cross-linking a polymer or a resin with the help of a peroxide, in the presence of a co-agent, the co-agent used being a compound according to formula 1, in which n is higher than or equal to 2, R1 is an aliphatic or aromatic group and the R2 and R3 groups, independently of each other, can be a hydrogen atom, an aliphatic or an aromatic group. The polymer used preferably is EPDM or CSM.Type: GrantFiled: April 24, 2002Date of Patent: January 24, 2006Assignee: DSM IP Assets B.V.Inventors: Herman Gerard Dikland, Davy Jacobus Margareth Hofkens
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Patent number: 6875817Abstract: Separation of a variety of analytes that are polar, nonpolar and ionic using functionalized polymeric media is disclosed. Preformed rigid particles of highly crosslinked homopolymer of polyvinylidene compounds are functionalize using the residual vinyl groups onto which monovinyl compounds are covalently bonded through polymerization. The functionalization imparts desirable surface properties for separation applications such as liquid chromatography and solid phase extraction.Type: GrantFiled: August 21, 2001Date of Patent: April 5, 2005Assignee: Mallinckrodt Inc.Inventors: Nandkumar V. Deorkar, James Farina, Paul A. Bouis
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Patent number: 6855780Abstract: This invention provides a production method of a vinyl polymer having a functional group at a molecular chain terminus which comprises adding a compound (I) having a functional group and an internal alkenyl group or conjugated polyene compound (II) in the living radical polymerization of a radical-polymerizable vinyl monomer. The present invention relates to a vinyl polymer having a functional group at a molecular terminus, a production method of the same and a curable composition containing said polymer.Type: GrantFiled: January 28, 2000Date of Patent: February 15, 2005Assignee: Kaneka CorporationInventors: Yoshiki Nakagawa, Kenichi Kitano, Nao Fujita
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Patent number: 6852802Abstract: An object of the present invention is to provide a heavy metal ion scavenger having more excellent scavenging performance than previously. In order to attain this object, organic polymer materials of the present invention are characterized in that they have a polymer side chain derived from a haloalkyl-substituted styrene on the backbone of an organic polymer base and a functional group capable of forming a complex with a heavy metal ion has been introduced onto said polymer side chain. These organic polymer materials have excellent heavy metal ion scavenging performance so that they can be suitably used as heavy metal ion scavengers.Type: GrantFiled: October 20, 2000Date of Patent: February 8, 2005Assignee: Ebara CorporationInventors: Makoto Komatsu, Kazuyoshi Takeda, Kunio Fujiwara, Takeshi Takai
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Patent number: 6803423Abstract: An (meth)acryloyl group-modified ethylene-&agr;-olefin copolymer (A) which has (meth)acryloyl group as a the side-chain thereof, wherein the intrinsic viscosity [&eegr;] was 0.01 to 10 dl/g measured in decalin at a temperature of 135° C.; and a rubber composition which comprises said (meth)acryloyl group-modified ethylene-&agr;-olefin copolymer, a vulcanizing agent, and/or a crosslinking agent; in addition, a liquid curable rubber composition which comprises, component (A), reactive diluent (D), and if necessary, photopolymerization initiator (E).Type: GrantFiled: June 17, 2002Date of Patent: October 12, 2004Assignee: JSR CorporationInventors: Toshiyuki Hayakawa, Toshihiro Nishimura, Motoharu Higuchi, Minoru Tanaka, Shoei Tsuji
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Patent number: 6767968Abstract: Block copolymers are prepared by living-type or semi-living type free radical polymerization, with said copolymers having at least one random block comprised of at least one hydrophobic monomer and at least one hydrophilic monomer. The selection of hydrophobic and hydrophilic monomers in the random block is determined by the relative hydrophobicity of the monomers to impart selected solubility or dispersability in water and/or alcohols of the overall block copolymer.Type: GrantFiled: October 3, 2000Date of Patent: July 27, 2004Assignee: Symyx Technologies, Inc.Inventors: Mingjun Liu, Damian Hajduk, Jean M. J. Fréchet, Ezat Khoshdel, Ralph B. Nielsen, Dominique Charmot
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Patent number: 6765069Abstract: A method for making a hydrophilic and lubricious coating, the coating so made and a medical device including such coating, wherein the coating includes a hydrophilic polymeric unit layer cross-linked with a plasma deposited double bond monomer. The hydrophilic polymeric unit can include ethylene oxide with one or more primary or secondary alcohol groups or glycosaminoglycans such as hyaluronic acid, and the double bond monomer includes monomers containing at least one double bond, preferably a C═C, C═N or C═O bond, including N-trimethylsilyl-allylamine, ethylene, propylene and allyl alcohol. The invention also provides products containing such coatings and their uses in medical, pharmaceutical and cosmetic applications.Type: GrantFiled: September 27, 2002Date of Patent: July 20, 2004Assignee: BioSurface Engineering Technologies, Inc.Inventors: Paul O. Zamora, Meng Chen, Shigemas Osaki, Ting-Ting Hsieh, Ray Tsang
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Patent number: 6750298Abstract: The invention generally concerns a novel family of biocompatible surfactant copolymers having a wide range of uses, in particular in pharmaceutics and for synthesizing substances in dispersed state and for surface treatment of materials or biomaterials. Said copolymers are characterised in that they comprise a hydrophobic sequence constituted by: either a homopolymer consisting of recurrent units corresponding to the general formula (I): in which: R1 represents a C1-C6 alkyl group or a (CH2)m—COOR3 group wherein m is an integer between 1 and 5 and R3 represents a C1-C6 alkyl group; R2 represents a C1-C6 alkyl group; and n is an integer between 1 and 5; or a random copolymer consisting of different recurring units corresponding to formula (I) as defined above; or finally a random copolymer consisting for the major part of units corresponding to formula (I) as defined above.Type: GrantFiled: September 19, 2000Date of Patent: June 15, 2004Assignee: VirsolInventors: Nicole Bru-Magniez, Virginie Larras, Gérard Riess, Pascal Breton, Patrick Couvreur, Claude Roques-Carmes
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Publication number: 20040097657Abstract: The invention provides water-soluble or water-swellable copolymers obtainable by free-radical copolymerization ofType: ApplicationFiled: November 10, 2003Publication date: May 20, 2004Inventors: Roman Morschhaeuser, Matthias Loffler
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Patent number: 6703432Abstract: An object of the present invention is to provide a water adsorbing/desorbing organic polymer material having excellent water adsorbing/desorbing performance and which is inexpensive and readily disposable by incineration or the like. In order to attain this object, water adsorbing/desorbing organic polymer materials of the present invention are characterized by having a polymer side chain containing a hydrophilic group on the backbone of an organic polymer base.Type: GrantFiled: August 7, 2002Date of Patent: March 9, 2004Assignee: Ebara CorporationInventors: Kunio Fujiwara, Kazuyoshi Takeda, Hiroshi Yokota, Hidenobu Arimitsu
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Patent number: 6686321Abstract: A grafted polyolefin containing one or more of N-vinylimidazole, 4-vinylpyridine, or other ethylenically-unsaturated nitrogen-containing or oxygen-containing graftable monomers grafted to a polyolefin copolymer is disclosed. The grafted polyolefin preferably has a weight average molecular weight of from about 20,000 to about 500,000, a polydispersity of less than about 10, and an ADT value of at least about 8. The grafted polyolefin can be defined as containing more than about 1.2% by weight of grafted monomer on a polyolefin, or as containing at least about 13 moles of graftable monomers per mole of polyolefin, or as having an asphaltene dispersancy test (ADT) value of at least about 8. Also described is a lubricating oil comprising a lubricant base oil and a grafted polyolefin as described above. Also described is a method of making a dispersant viscosity index improver.Type: GrantFiled: October 9, 2001Date of Patent: February 3, 2004Assignee: Castrol LimitedInventors: Frederick J. Boden, Richard P. Sauer, Irwin L. Goldblatt, Michael E. McHenry
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Publication number: 20040014898Abstract: A water-absorptive contact lens whose water content is in a range from 10% to 60% and which is formed of a polymeric material obtained by copolymerization of a polymerizable monomer composition that includes: (A) 20 to 70 wt. % of alkoxypolyethylene glycol (meth)acrylate having at least three ethylene glycol units, and (B) 30 to 80 wt. % of a silicon-containing macromonomer.Type: ApplicationFiled: June 25, 2003Publication date: January 22, 2004Applicant: Menicon Co., Ltd.Inventor: Masuji Ichihara
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Patent number: 6610776Abstract: The use of an aqueous emulsion paint having a pigment content of from 40 to 200 parts by weight per 100 parts by weight of polymer to coat buildings or building parts, wherein said polymer comprises an emulsion copolymer containing from 0.5 to 30% by weight of monomers of the formula I where R1 is a hydrogen atom or a methyl group, X is a divalent organic polyalkylene oxide group comprising from 1 to 50 alkylene oxide units, and R2 is a hydrogen atom or an aliphatic or aromatic hydrocarbon group having 1 to 20 carbon atoms.Type: GrantFiled: March 8, 2001Date of Patent: August 26, 2003Assignee: BASF AktiengesellschaftInventors: Matthias Laubender, Frauke Richter, Harald Röckel, Maria Gyopar Rau
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Patent number: 6552131Abstract: The present invention provides a block polymer comprising a polyolefin and a hydrophilic polymer, being finely dispersed in resins, in particular polyolefins, without requiring any compatibilizer, and giving thermoplastic resin compositions, said compositions giving moldings having permanent antistatic properties at low block polymer addition levels even when they are produced by a method involving no shearing and having excellent mechanical strength as well as having an excellent compatibility so as to avoid molding or roll pollution at their formation.Type: GrantFiled: December 12, 2001Date of Patent: April 22, 2003Assignee: Sanyo Chemical Industries, Ltd.Inventors: Shoichi Higuchi, Eiichi Senda
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Publication number: 20030065100Abstract: A vinyl polymer having, at a molecular chain terminus, a structure represented by the general formula 1: 1Type: ApplicationFiled: October 1, 2002Publication date: April 3, 2003Inventors: Yoshiki Nakagawa, Kenichi Kitano, Masayuki Fujita, Nao Fujita
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Publication number: 20030013124Abstract: This invention relates to a solid substrate that has a modified surface to which a sulfoamido group is attached via a linker.Type: ApplicationFiled: May 10, 2002Publication date: January 16, 2003Inventors: Jennifer M. Lu Kuo, David Ho, Tai-Nang Huang
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Patent number: 6506837Abstract: The invention relates to a gelling aqueous composition comprising block copolymers containing at least one water-soluble block and at least one block predominantly hydrophobic in nature, and forming a viscoelastic gel.Type: GrantFiled: February 20, 2001Date of Patent: January 14, 2003Assignee: Rhodia ChimieInventors: Mathias Destarac, Mathieu Joanicot, Roland Reeb
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Patent number: 6497868Abstract: The present invention relates to graft polymer which is characterized in that it is formed by graft polymerization of structural units containing. a quaternary ammonium group represented by general formula (A), (R2 and R3 each represent an alkyl group with from 1 to 3 carbons, and R4 represents an alkyl group with from 3 to 18 carbons. X represents at least one type of ion selected from halogen, sulphate, hydroxide and carboxylic acid ions.), preferably to graft polymer where the structural units containing a quaternary ammonium group represented by general formula (A) are structural units which are represented by general formula (I), (R1 represents at least one species selected from hydrogen, the methyl group and the ethyl group, and n represents an integer in the range 1 to 12. A represents at least one species selected from O, S and NR5. R5 represents hydrogen or an alkyl group with 1 to 12 carbons.Type: GrantFiled: June 30, 1999Date of Patent: December 24, 2002Assignee: Toray Industries, Inc.Inventor: Kazuhiro Tanahashi
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Patent number: 6495618Abstract: A polymer dispersant for pigments based on a graft copolymer wherein the graft copolymer has a weight average molecular weight of at least 3000 and has 10 to 90% by weight of a polymeric backbone and 90 to 10% by weight of macromonomer side chains attached to the backbone and wherein at least 20% by weight of the polymeric backbone has attached thereto an amide group which serves as a pigment anchoring group. The backbone may also have attached thereto an additional pigment anchoring group selected from the group consisting of aromatic ester, aromatic amine, aliphatic amine, and quaternary ammonium groups, or mixtures thereof. These materials disperse a wide variety of pigments and are useful in solvent borne coatings where they can provide improved efficiency of pigment use, lower paint viscosity, and reduced emission of volatile organic solvent.Type: GrantFiled: December 17, 1999Date of Patent: December 17, 2002Assignee: E. I. du Pont de Nemours and CompanyInventor: Sheau-Hwa Ma
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Patent number: 6482900Abstract: A vinyl polymer having, at a molecular chain terminus, a structure represented by the general formula 1: (wherein R3 is a hydroxy, amino, epoxy, carboxylic acid, ester, ether, amide or silyl group, an alkenyl group having low polymerizability, an organic compound having 1 to 20 carbon atoms, X is a halogen atom, a nitroxide or sulfide group or a cobalt porphyrin complex).Type: GrantFiled: June 5, 2000Date of Patent: November 19, 2002Assignee: Kaneka CorporationInventors: Yoshiki Nakagawa, Kenichi Kitano, Masayuki Fujita, Nao Fujita
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Patent number: 6472353Abstract: Graft copolymers useful as a dispersant-viscosity improver for lubricating oil compositions comprise a hydrocarbon polymer having graft polymerized thereon at least two nitrogen containing units, at least one of the nitrogen containing units being derived from at least one of a neutral N-(lower hydrocarbyl group)- (meth)acrylamide and a neutral N,N-di-(lower hydrocarbyl group)- (meth)acrylamide, wherein the total number of carbon atoms in the lower hydrocarbyl groups does not exceed 9, and at least one of the nitrogen containing units being derived from at least one vinylic nitrogen containing heterocyclic compound.Type: GrantFiled: May 16, 2001Date of Patent: October 29, 2002Assignee: The Lubrizol CorporationInventors: John C. Smoggie, Richard M. Lange
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Patent number: 6423801Abstract: The invention is concerned with water soluble high-molecular weight quaternary ammonium graft polymer, wherein ammonium salt side chains are grafted onto a polyamine backbone under free radical conditions, and wherein the initiator system comprises a free radical-producing oxidizing agent and the polyamine backbone polymer.Type: GrantFiled: February 8, 1999Date of Patent: July 23, 2002Assignee: Nalco Chemical CompanyInventors: Mathias Hahn, Werner Jaeger, Jeffrey R. Cramm
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Patent number: 6413306Abstract: A pigment dispersion useful for forming coating compositions containing dispersed pigment, a non-aqueous carrier liquid and an ABC-block polymer dispersant (binder); wherein the ABC block polymer has a number average molecular weight of about 5,000-20,000 and contains a polymeric A segment, a polymeric B segment and a polymeric C segment; wherein the polymeric A segment of the block polymer is of polymerized monomers selected from the following group: alkyl (meth)acrylate monomers having 1-12 carbon atoms in the alkyl group, aryl (meth)acrylate monomers, cyclo alkyl (meth)acrylate monomers or mixtures of any of the above; the polymeric B segment of the block polymer is of polymerized alkyl amino alkyl (meth)acrylate monomers having 1-4 carbon atoms in the alkyl group quaternized with an alkylating agent; and the polymeric C segment of the block polymer is of polymerized monomers of hydroxy alkyl (meth)acrylate having 1-4 carbon atoms in the alkyl group and monomers selected from the following group: alkylType: GrantFiled: October 7, 1999Date of Patent: July 2, 2002Assignee: E. I. du Pont de Nemours and CompanyInventors: Daniel C. Kraiter, Beatriz E. Rodriguez-Douglas
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Patent number: 6414102Abstract: The invention relates to polyolefin copolymers (I) and to graft copolymers (II) which are prepared from the copolymers (I), wherein the copolymers (I) are linear copolymers containing divinylbenzene comonomer units selected from the group consisting of 1,4-divinylbenzene units, mixtures of 1,4- and 1,3-divinylbenzene units and mixtures of 1,4-, 1,3- and 1,2-divinylbenzene units, wherein R, in formulas I and II, is a C1 to C10 linear or branched alkyl group or a C6 to C10 substituted or unsubstituted aromatic group; and wherein G and G′, independently, are selected from —H, —OH, epoxy, —NH2, —COOH, anhydride, —Cl, —Br, —M, —COOM (M=metal) or a polymer chain having the molecular weight of at least about 500, which can be derived from both step and chain polymerization reactions. In the graft copolymer (II), the combined alpha-olefin mole % (x+y) is from about 50 and 99.Type: GrantFiled: March 19, 2001Date of Patent: July 2, 2002Assignee: The Penn State Research FoundationInventors: Tze-Chiang Chung, Jin Yong Dong
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Patent number: 6403724Abstract: A high damping polymer gel composition suitable for at least vibration damping application, including a copolymer with at least alkenyl monomer units and maleimide monomer units, a maleated polyalkylene, a crosslinking agent, and a dendrimer is provided. The polymer gel composition may further include an extender.Type: GrantFiled: June 4, 2001Date of Patent: June 11, 2002Assignee: Bridgestone CorporationInventor: Xiaorong Wang
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Publication number: 20020042349Abstract: A grafted polyolefin containing one or more of N-vinylimidazole, 4-vinylpyridine, or other ethylenically-unsaturated nitrogen-containing or oxygen-containing graftable monomers grafted to a polyolefin copolymer is disclosed. The grafted polyolefin preferably has a weight average molecular weight of from about 20,000 to about 500,000, a polydispersity of less than about 10, and an ADT value of at least about 8. The grafted polyolefin can be defined as containing more than about 1.2% by weight of grafted monomer on a polyolefin, or as containing at least about 13 moles of graftable monomers per mole of polyolefin, or as having an asphaltene dispersancy test (ADT) value of at least about 8. Also described is a lubricating oil comprising a lubricant base oil and a grafted polyolefin as described above. Also described is a method of making a dispersant viscosity index improver.Type: ApplicationFiled: October 9, 2001Publication date: April 11, 2002Inventors: Frederick J. Boden, Richard P. Sauer, Irwin L. Goldblatt, Michael E. McHenry
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Patent number: 6362274Abstract: The invention relates to grafted copolymers comprising at least three sequences of distinct chemical nature, among which one or more sequence(s) for anchoring on solid particles, one or more sequence(s) of hydrophobic character and one or more sequence(s) of hydrophilic character. The invention also concerns their process of preparation, the compositions containing them, their use as agent for dispersing, stabilizing solid particles and/or emulsifying in an aqueous and/or organic medium, as well as use thereof for preparing pigmentary dispersions in aqueous and/or organic medium.Type: GrantFiled: February 23, 1999Date of Patent: March 26, 2002Assignee: Les Peintures JefcoInventors: Pierre Legrand, Gerard Riess, Jean-Phillipe Lerch, Daniel Lefevre
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Patent number: 6335398Abstract: A super absorbent polymer composition comprising a chelating compound (A) which has a site capable of forming a chelate with a copper ion and whose copper salt has a solubility in physiological saline at 25° C. of 0.01% by weight or less and a super absorbent polymer (B), wherein the chelating compound (A) is present in an amount of from 0.0001 to 30 parts by weight per 100 parts by weight of said super absorbent polymer (B).Type: GrantFiled: March 7, 1997Date of Patent: January 1, 2002Assignee: Kao CorporationInventors: Takayuki Amiya, Seiichi Miyanaga, Yoko Hanada
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Publication number: 20010044498Abstract: The invention relates to water-soluble block copolymers comprising at least one block of hydrophobic nature and at least one block of hydrophilic nature, the block of hydrophobic nature exhibiting hydrophilic units in an amount of between 33% and 99% by weight with respect to the total weight of the units of the hydrophobic block. These copolymers are preferably diblocks or triblocks and are prepared by a polymerization process referred to as a living or controlled. Control of their hydrophilic-lipophilic balance makes it possible to adjust their solubility in water and their self-association properties. These copolymers can be used in particular as adhesion agents or wetting agents.Type: ApplicationFiled: February 26, 2001Publication date: November 22, 2001Inventors: Olivier Anthony, Cecile Bonnet-Gonnet, Mathias Destarac, Roya Farhoosh, Mathieu Joanicot, Gilda Lizarraga, Roland Reeb, Jean-Marie Schwob
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Publication number: 20010031820Abstract: Aqueous based graft emulsion copolymers comprising a polymer having a plurality of hydroxyl groups, preferably a vinyl alcohol homo- or copolymer, grafted with a polyethylene. The graft emulsion copolymer can be prepared by polymerizing ethylene and, optionally another ethylenically unsaturated monomer, in an aqueous solution of a polymer having a plurality of pendent hydroxyl groups, especially poly(vinyl alcohol). The graft emulsion copolymer product can have a polyethylene content ranging from 50 to 95 wt %, hydroxyl-containing polymer ranging from 5 to 50 wt %, and up to 45 wt % of another polymerized ethylenically unsaturated monomer. Polymerization is carried out in an aqueous solution containing at least 5 wt %, preferably 10 wt %, of a hydroxyl-containing polymer having a degree of polymerization of 50 to 2200, preferably 100 to 500.Type: ApplicationFiled: March 15, 2000Publication date: October 18, 2001Inventors: John Joseph Rabasco, William Edward Lenney
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Patent number: 6300289Abstract: A grafted polyolefin containing one or more of N-vinylimidazole, 4-vinylpyridine, or other ethylenically-unsaturated nitrogen-containing or oxygen-containing graftable monomers grafted to a polyolefin copolymer is disclosed. The grafted polyolefin preferably has a weight average molecular weight of from about 20,000 to about 500,000, a polydispersity of less than about 10, and an ADT value of at least about 8. The grafted polyolefin can be defined as containing more than about 1.2% by weight of grafted monomer on a polyolefin, or as containing at least about 13 moles of graftable monomers per mole of polyolefin, or as having an asphaltene dispersancy test (ADT) value of at least about 8. Also described is a lubricating oil comprising a lubricant base oil and a grafted polyolefin as described above. Also described is a method of making a dispersant viscosity index improver.Type: GrantFiled: December 22, 1999Date of Patent: October 9, 2001Assignee: Castrol LimitedInventors: Frederick J. Boden, Richard P. Sauer, Irwin L. Goldblatt, Michael E. McHenry
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Patent number: 6294628Abstract: A polyacrylate ester, and more particularly a polymethacrylate ester based dispersant-viscosity improver for lubricating oil compositions. Specifically, the dispersant viscosity improvers of this invention are nitrogen-containing copolymers comprising units derived from (A) from about 5% to about 75% by weight of alkyl acrylate ester monomers containing from 1 to 11 carbon atoms in the alkyl group; (B) from about 25% to about 95% by weight of alkyl acrylate ester monomers containing from 12 to about 24 carbon atoms in the alkyl group; and (C) from about 0.1% to about 20% by weight of at least one nitrogen containing monomer selected from the group consisting of vinyl substituted nitrogen heterocyclic monomers, N,N-dialkylaminoalkyl acrylate monomers, N,N-dialkylaminoalkyl acrylamide monomers and tertiary-alkyl acrylamides, provided that the total equals 100%. Processes for preparing the compositions, additive concentrates and lubricating oil compositions are described.Type: GrantFiled: May 14, 1999Date of Patent: September 25, 2001Assignee: The Lubrizol CorporationInventors: Charles P. Bryant, Bryan A. Grisso, Robert Cantiani
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Patent number: 6265493Abstract: The invention relates to a process for preparing polyolefin graft copolymers (II) from linear and well defined polyolefin copolymers (I) containing divinylbenzene comonomer units, wherein R, in formulas I and II, is a C1 to C10 linear or branched alkyl group or a C6 to C10 substituted or unsubstituted aromatic group; and wherein G and G′, independantly, are selected from —H, —OH, epoxy, —NH2, —COOH, anhydride, —Cl, —Br, —M, —COOM (M=metal, e.g., Li, Na, K and Ca) or a polymer chain having the molecular weight of at least about 500, which can be derived from both step and chain polymerization reactions. G and G′ can be selected singly or in a combination of two or more thereof. In the graft copolymer composition, the combined alpha-olefin mole .% (x+y) is from about 50 to 99.9 mole %. Preferably, x+y is from 85 to 99.9 mole %, and most preferably x+y is from 95 to 99.9 mole %.Type: GrantFiled: May 18, 2000Date of Patent: July 24, 2001Assignee: The Penn State Research FoundationInventors: Tze-Chiang Chung, Jinyong Dong
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Patent number: 6255400Abstract: A polymer (B) is prepared by polymerizing one or more vinyl monomers (c) in the presence of a polymer (A) prepared by polymerizing one or more vinyl monomers (a) selected from the group consisting of vinyl monomers represented by the general formula (1): wherein R1 represents a hydrogen atom or a lower alkyl with 1 to 3 carbon atoms and n is an integer of 1 to 8 and their salts with one or more vinyl monomers (b) which are co-polymerizable with the vinyl monomer components (a).Type: GrantFiled: November 23, 1998Date of Patent: July 3, 2001Assignee: Mitsui Chemicals, Inc.Inventors: Hiroshi Itoh, Susumu Oyama, Takashi Yodoya, Kenji Tsuboi, Tsugio Matsubara, Kenichi Nakamura, Hirotoshi Doki, Shinya Yamagami, Toshiki Oyanagi, Kenzo Seita
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Patent number: 6248838Abstract: A rigid chain entanglement crosslinked polymer made by dispersing at lease one monomer and at least one initiator in an immiscible liquid medium to form a liquid dispersion; and decomposing the initiator in the fluid dispersion to activate polymerization and thereby produce a chain entanglement crosslinked polymer; and the polymer that can be utilized as proppants, as ball bearings, as lubriglide monolayers, and for drilling mud applicationsType: GrantFiled: June 4, 1999Date of Patent: June 19, 2001Assignee: Sun Drilling Products Corp.Inventor: Robert L. Albright
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Publication number: 20010002415Abstract: A colored photosensitive composition is composed of a pigment composition, a binder polymer having an acidic group, a multi-functional monomer having at least two ethylenic unsaturated double bonds, and a photopolymerization initiator. The pigment composition is composed of an organic pigment, a dispersant, and an organic solvent. The dispersant is a copolymer of a polymerizable oligomer having an ethylenic unsaturated double bond in its terminal position and one or more monomers at least one of which has a nitrogen-containing group and an ethylenic unsaturated double bond.Type: ApplicationFiled: January 2, 2001Publication date: May 31, 2001Inventors: Akihiko Takeda, Shinichiro Morimoto, Kousaku Yoshimura