Nitrogen Atom Is Part Of A Carboxylic Acid Amide Group Patents (Class 525/296)
  • Publication number: 20090142610
    Abstract: 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: Application
    Filed: November 12, 2008
    Publication date: June 4, 2009
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Kai Paschkowski, Joerg Plaumann
  • Publication number: 20090123544
    Abstract: 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: Application
    Filed: November 2, 2007
    Publication date: May 14, 2009
    Inventors: Ye Liu, Decheng Wu, Chaobin He
  • Publication number: 20090092655
    Abstract: 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: Application
    Filed: September 30, 2008
    Publication date: April 9, 2009
    Inventors: Weihong Lang, Yu-Chin Lai
  • Publication number: 20080293600
    Abstract: 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: Application
    Filed: April 27, 2006
    Publication date: November 27, 2008
    Inventors: Irwin L. Goldblatt, Shean-Jer Chen, Richard P. Sauer
  • Patent number: 7414093
    Abstract: 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: Grant
    Filed: February 2, 2006
    Date of Patent: August 19, 2008
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Nobuaki Kubo, Yasuhiro Kusanose, Shigeo Nakajima, Takaaki Matsuda, Shigeki Takayama, Toshinori Shiraki
  • Patent number: 7371713
    Abstract: 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: Grant
    Filed: May 23, 2003
    Date of Patent: May 13, 2008
    Assignee: Castrol Limited
    Inventors: Irwin L. Goldblatt, Shean-Jer Chen, Manish R. Patel, Stephen T. McKenna
  • Patent number: 7300914
    Abstract: 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: Grant
    Filed: April 2, 2004
    Date of Patent: November 27, 2007
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Matthias Loeffler, Roman Morschhaeuser
  • Patent number: 7276571
    Abstract: 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: Grant
    Filed: June 29, 2005
    Date of Patent: October 2, 2007
    Inventors: Raj B. Durairaj, Michael N. Tackie
  • Patent number: 7256238
    Abstract: 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: Grant
    Filed: July 18, 2002
    Date of Patent: August 14, 2007
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Nobuaki Kubo, Yasuhiro Kusanose, Shigeo Nakajima, Takaaki Matsuda, Shigeki Takayama, Toshinori Shiraki
  • Patent number: 7226978
    Abstract: 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: Grant
    Filed: May 22, 2002
    Date of Patent: June 5, 2007
    Assignee: DexCom, Inc.
    Inventors: Mark A. Tapsak, Rathbun K. Rhodes, Mark C. Shults, Jason D. McClure
  • Patent number: 7217769
    Abstract: 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: Grant
    Filed: July 16, 2004
    Date of Patent: May 15, 2007
    Assignee: BioSurface Engineering Technologies, Inc.
    Inventors: Paul O. Zamora, Meng Chen, Shigemasa Osaki, Ting-Ting Hsieh, Ray Tsang
  • Patent number: 7196141
    Abstract: 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: Grant
    Filed: September 7, 2006
    Date of Patent: March 27, 2007
    Assignee: Kaneka Corporation
    Inventors: Kenichi Kitano, Yoshiki Nakagawa, Masayuki Fujita
  • Patent number: 7144951
    Abstract: 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 alkylesters
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: December 5, 2006
    Assignee: Crompton Corporation
    Inventors: Karl Duyck, Theodore E. Nalesnik, Uyen Thanh Tran
  • Patent number: 7067586
    Abstract: 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: Grant
    Filed: June 29, 2004
    Date of Patent: June 27, 2006
    Assignee: Symyx Technologies, Inc.
    Inventors: Mingjun Liu, Damian Hajduk, Jean M. J. Frechet, Ezat Khoshdel, Ralph B. Nielsen, Dominique Charmot
  • Patent number: 6989425
    Abstract: 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: Grant
    Filed: April 24, 2002
    Date of Patent: January 24, 2006
    Assignee: DSM IP Assets B.V.
    Inventors: Herman Gerard Dikland, Davy Jacobus Margareth Hofkens
  • Patent number: 6875817
    Abstract: 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: Grant
    Filed: August 21, 2001
    Date of Patent: April 5, 2005
    Assignee: Mallinckrodt Inc.
    Inventors: Nandkumar V. Deorkar, James Farina, Paul A. Bouis
  • Patent number: 6855780
    Abstract: 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: Grant
    Filed: January 28, 2000
    Date of Patent: February 15, 2005
    Assignee: Kaneka Corporation
    Inventors: Yoshiki Nakagawa, Kenichi Kitano, Nao Fujita
  • Patent number: 6852802
    Abstract: 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: Grant
    Filed: October 20, 2000
    Date of Patent: February 8, 2005
    Assignee: Ebara Corporation
    Inventors: Makoto Komatsu, Kazuyoshi Takeda, Kunio Fujiwara, Takeshi Takai
  • Patent number: 6803423
    Abstract: 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: Grant
    Filed: June 17, 2002
    Date of Patent: October 12, 2004
    Assignee: JSR Corporation
    Inventors: Toshiyuki Hayakawa, Toshihiro Nishimura, Motoharu Higuchi, Minoru Tanaka, Shoei Tsuji
  • Patent number: 6767968
    Abstract: 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: Grant
    Filed: October 3, 2000
    Date of Patent: July 27, 2004
    Assignee: Symyx Technologies, Inc.
    Inventors: Mingjun Liu, Damian Hajduk, Jean M. J. Fréchet, Ezat Khoshdel, Ralph B. Nielsen, Dominique Charmot
  • Patent number: 6765069
    Abstract: 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: Grant
    Filed: September 27, 2002
    Date of Patent: July 20, 2004
    Assignee: BioSurface Engineering Technologies, Inc.
    Inventors: Paul O. Zamora, Meng Chen, Shigemas Osaki, Ting-Ting Hsieh, Ray Tsang
  • Patent number: 6750298
    Abstract: 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: Grant
    Filed: September 19, 2000
    Date of Patent: June 15, 2004
    Assignee: Virsol
    Inventors: Nicole Bru-Magniez, Virginie Larras, Gérard Riess, Pascal Breton, Patrick Couvreur, Claude Roques-Carmes
  • Publication number: 20040097657
    Abstract: The invention provides water-soluble or water-swellable copolymers obtainable by free-radical copolymerization of
    Type: Application
    Filed: November 10, 2003
    Publication date: May 20, 2004
    Inventors: Roman Morschhaeuser, Matthias Loffler
  • Patent number: 6703432
    Abstract: 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: Grant
    Filed: August 7, 2002
    Date of Patent: March 9, 2004
    Assignee: Ebara Corporation
    Inventors: Kunio Fujiwara, Kazuyoshi Takeda, Hiroshi Yokota, Hidenobu Arimitsu
  • Patent number: 6686321
    Abstract: 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: Grant
    Filed: October 9, 2001
    Date of Patent: February 3, 2004
    Assignee: Castrol Limited
    Inventors: Frederick J. Boden, Richard P. Sauer, Irwin L. Goldblatt, Michael E. McHenry
  • Publication number: 20040014898
    Abstract: 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: Application
    Filed: June 25, 2003
    Publication date: January 22, 2004
    Applicant: Menicon Co., Ltd.
    Inventor: Masuji Ichihara
  • Patent number: 6610776
    Abstract: 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: Grant
    Filed: March 8, 2001
    Date of Patent: August 26, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Laubender, Frauke Richter, Harald Röckel, Maria Gyopar Rau
  • Patent number: 6552131
    Abstract: 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: Grant
    Filed: December 12, 2001
    Date of Patent: April 22, 2003
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Shoichi Higuchi, Eiichi Senda
  • Publication number: 20030065100
    Abstract: A vinyl polymer having, at a molecular chain terminus, a structure represented by the general formula 1: 1
    Type: Application
    Filed: October 1, 2002
    Publication date: April 3, 2003
    Inventors: Yoshiki Nakagawa, Kenichi Kitano, Masayuki Fujita, Nao Fujita
  • Publication number: 20030013124
    Abstract: This invention relates to a solid substrate that has a modified surface to which a sulfoamido group is attached via a linker.
    Type: Application
    Filed: May 10, 2002
    Publication date: January 16, 2003
    Inventors: Jennifer M. Lu Kuo, David Ho, Tai-Nang Huang
  • Patent number: 6506837
    Abstract: 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: Grant
    Filed: February 20, 2001
    Date of Patent: January 14, 2003
    Assignee: Rhodia Chimie
    Inventors: Mathias Destarac, Mathieu Joanicot, Roland Reeb
  • Patent number: 6497868
    Abstract: 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: Grant
    Filed: June 30, 1999
    Date of Patent: December 24, 2002
    Assignee: Toray Industries, Inc.
    Inventor: Kazuhiro Tanahashi
  • Patent number: 6495618
    Abstract: 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: Grant
    Filed: December 17, 1999
    Date of Patent: December 17, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Sheau-Hwa Ma
  • Patent number: 6482900
    Abstract: 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: Grant
    Filed: June 5, 2000
    Date of Patent: November 19, 2002
    Assignee: Kaneka Corporation
    Inventors: Yoshiki Nakagawa, Kenichi Kitano, Masayuki Fujita, Nao Fujita
  • Patent number: 6472353
    Abstract: 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: Grant
    Filed: May 16, 2001
    Date of Patent: October 29, 2002
    Assignee: The Lubrizol Corporation
    Inventors: John C. Smoggie, Richard M. Lange
  • Patent number: 6423801
    Abstract: 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: Grant
    Filed: February 8, 1999
    Date of Patent: July 23, 2002
    Assignee: Nalco Chemical Company
    Inventors: Mathias Hahn, Werner Jaeger, Jeffrey R. Cramm
  • Patent number: 6413306
    Abstract: 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: alkyl
    Type: Grant
    Filed: October 7, 1999
    Date of Patent: July 2, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Daniel C. Kraiter, Beatriz E. Rodriguez-Douglas
  • Patent number: 6414102
    Abstract: 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: Grant
    Filed: March 19, 2001
    Date of Patent: July 2, 2002
    Assignee: The Penn State Research Foundation
    Inventors: Tze-Chiang Chung, Jin Yong Dong
  • Patent number: 6403724
    Abstract: 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: Grant
    Filed: June 4, 2001
    Date of Patent: June 11, 2002
    Assignee: Bridgestone Corporation
    Inventor: Xiaorong Wang
  • Publication number: 20020042349
    Abstract: 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: Application
    Filed: October 9, 2001
    Publication date: April 11, 2002
    Inventors: Frederick J. Boden, Richard P. Sauer, Irwin L. Goldblatt, Michael E. McHenry
  • Patent number: 6362274
    Abstract: 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: Grant
    Filed: February 23, 1999
    Date of Patent: March 26, 2002
    Assignee: Les Peintures Jefco
    Inventors: Pierre Legrand, Gerard Riess, Jean-Phillipe Lerch, Daniel Lefevre
  • Patent number: 6335398
    Abstract: 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: Grant
    Filed: March 7, 1997
    Date of Patent: January 1, 2002
    Assignee: Kao Corporation
    Inventors: Takayuki Amiya, Seiichi Miyanaga, Yoko Hanada
  • Publication number: 20010044498
    Abstract: 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: Application
    Filed: February 26, 2001
    Publication date: November 22, 2001
    Inventors: Olivier Anthony, Cecile Bonnet-Gonnet, Mathias Destarac, Roya Farhoosh, Mathieu Joanicot, Gilda Lizarraga, Roland Reeb, Jean-Marie Schwob
  • Publication number: 20010031820
    Abstract: 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: Application
    Filed: March 15, 2000
    Publication date: October 18, 2001
    Inventors: John Joseph Rabasco, William Edward Lenney
  • Patent number: 6300289
    Abstract: 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: Grant
    Filed: December 22, 1999
    Date of Patent: October 9, 2001
    Assignee: Castrol Limited
    Inventors: Frederick J. Boden, Richard P. Sauer, Irwin L. Goldblatt, Michael E. McHenry
  • Patent number: 6294628
    Abstract: 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: Grant
    Filed: May 14, 1999
    Date of Patent: September 25, 2001
    Assignee: The Lubrizol Corporation
    Inventors: Charles P. Bryant, Bryan A. Grisso, Robert Cantiani
  • Patent number: 6265493
    Abstract: 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: Grant
    Filed: May 18, 2000
    Date of Patent: July 24, 2001
    Assignee: The Penn State Research Foundation
    Inventors: Tze-Chiang Chung, Jinyong Dong
  • Patent number: 6255400
    Abstract: 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: Grant
    Filed: November 23, 1998
    Date of Patent: July 3, 2001
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hiroshi Itoh, Susumu Oyama, Takashi Yodoya, Kenji Tsuboi, Tsugio Matsubara, Kenichi Nakamura, Hirotoshi Doki, Shinya Yamagami, Toshiki Oyanagi, Kenzo Seita
  • Patent number: 6248838
    Abstract: 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 applications
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: June 19, 2001
    Assignee: Sun Drilling Products Corp.
    Inventor: Robert L. Albright
  • Publication number: 20010002415
    Abstract: 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: Application
    Filed: January 2, 2001
    Publication date: May 31, 2001
    Inventors: Akihiko Takeda, Shinichiro Morimoto, Kousaku Yoshimura