Monomer Containing Two Or More Nitrogen Atoms, Or Two Or More Nitrogen Containing Monomers Patents (Class 525/328.4)
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Patent number: 7473739Abstract: A particulate water absorbing agent of the present invention includes a water absorbent resin, having a cross-linking structure, whose surface has been cross-linked by adding a surface treatment agent, wherein: (i) a mass average particle diameter (D50) ranges from 200 to 600 ?m and 95 to 100 wt % of a particulate water absorbing agent whose particle diameter ranges from less than 850 ?m to not less than 150 ?m is contained with respect to 100 wt % of whole the particulate water absorbing agent, and (ii) a logarithmic standard deviation (??) of particle size distribution ranges from 0.25 to 0.45, and (iii) a compressibility rate defined by a following equation ranges from 0 to 18%, and (iv) a surface tension of a supernatant liquid obtained in 4 minutes after dispersing 0.5 g of the particulate water absorbing agent in 50 ml of physiological saline whose temperature is 20° C.Type: GrantFiled: February 4, 2005Date of Patent: January 6, 2009Assignee: Nippon Shokubai Co., Ltd.Inventors: Yorimichi Dairoku, Yoshifumi Adachi, Kozo Nogi, Hiroki Inoue, Katsuyuki Wada, Yoshio Irie
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Patent number: 7399821Abstract: The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinked polymer. The alkylated and crosslinked polymer salt comprises the reaction product of crosslinked polymers, or salts and copolymers thereof having amine containing repeat units, with at least one aliphatic alkylating agent.Type: GrantFiled: July 24, 2006Date of Patent: July 15, 2008Assignee: Genzyme CorporationInventors: W. Harry Mandeville, III, Stephen Randall Holmes-Farley
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Patent number: 7138462Abstract: A functionalized polymer for binding a dissolved molecule in an aqueous solution is presented. The polymer has a backbone polymer to which one or more functional groups are covalently linked. The backbone polymer can be such polymers as polyethylenimine, polyvinylamine, polyallylamine, and polypropylamine. These polymers are generally water-soluble, but can be insoluble when cross-linked.Type: GrantFiled: August 22, 2003Date of Patent: November 21, 2006Assignee: Los Alamos National Security, LLCInventors: Barbara F. Smith, Thomas W. Robison
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Patent number: 7101945Abstract: The invention relates to a phosphorus-containing polymer for coating dielectric materials, to processes for its preparation and to its use, as well as to an optical signal transducer having a coating of the polymer and to its use.Type: GrantFiled: February 20, 2002Date of Patent: September 5, 2006Assignee: Bayer AktiengesellschaftInventors: Ingmar Dorn, Burkhard Köhler
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Patent number: 7094853Abstract: It is an object of the present invention to provide a basic crosslinked polymer having excellent ion exchange and catalyst properties with high resistance to thermal degradation which is, therefore, useful for a broad range of application, a method for producing said crosslinked polymer with great ease and high efficiency, and methods of using said crosslinked polymer. A crosslinked polymer having a tertiary amine and/or a quaternary ammonium salt structure, said crosslinked polymer has a tertiary amine structure at either end of at least one crosslink structure.Type: GrantFiled: October 30, 2002Date of Patent: August 22, 2006Assignee: Nippon Shokubai Co., Ltd.Inventors: Yoshiaki Hirano, Hiroshi Yamamoto, Takehiko Morita, Takafumi Kubo
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Patent number: 6962959Abstract: A covalent crosslinking of ion-conducting materials via sulfonic acid groups can be applied to various low cost electrolyte membrane base materials for improved fuel cell performance metrics relative to such base material. This proposed approach is due, in part, to the observation that many aromatic and aliphatic polymer materials have significant potential as proton exchange membranes if a modification can increase their physical and chemical stabilities without sacrificing electrochemical performance or significantly increasing the material and production costs.Type: GrantFiled: August 28, 2003Date of Patent: November 8, 2005Assignee: Hoku Scientific, Inc.Inventors: Matthew Robert Kurano, Gangadhar Panambur, Arunachala Nadar Mada Kannan, Karl Milton Taft, III
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Patent number: 6951905Abstract: A method of preparing an elastomeric polymer comprising the step of reacting a bisoxazolone with a primary or secondary di-amine terminated oligomer.Type: GrantFiled: January 16, 2001Date of Patent: October 4, 2005Assignee: Qinetiq LimitedInventors: Louise Dykes, Simon Lane
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Patent number: 6894110Abstract: The present invention relates to a novel process for the production of a water soluble polymer dispersion from vinylamide monomers, and, more particularly, polymers formed from N-vinylformamide monomers.Type: GrantFiled: July 29, 2002Date of Patent: May 17, 2005Assignee: Nalco CompanyInventors: Dodd W. Fong, Manian Ramesh, Anthony G. Sommese
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Patent number: 6803348Abstract: The use of a hydrophobically modified water soluble polymer is described capable of being chemically cross-linked so as to produce a stable gel for blocking a water-bearing formation from a hydrocarbon-producing well. The polymer is essentially linear having hydrophilic side groups located at random positions along its backbone.Type: GrantFiled: November 16, 2000Date of Patent: October 12, 2004Assignee: Schlumberger Technology CorporationInventors: Timothy G. J. Jones, Gary J. Tustin
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Patent number: 6784254Abstract: The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinked polymer. The alkylated and crosslinked polymer salt comprises the reaction product of crosslinked polymers, or salts and copolymers thereof having amine containing repeat units, with at least one aliphatic alkylating agent.Type: GrantFiled: October 3, 2002Date of Patent: August 31, 2004Assignee: Genzyme CorporationInventors: W. Harry Mandeville, III, Stephen Randall Holmes-Farley
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Publication number: 20030176586Abstract: The use of a hydrophobically modified water soluble polymer is described capable of being chemically cross-linked so as to produce a stable gel for blocking a water-bearing formation from a hydrocarbon-producing well. The polymer is essentially linear having hydrophilic side groups located at random positions along its backbone.Type: ApplicationFiled: November 16, 2000Publication date: September 18, 2003Inventors: Timothy G.J. Jones, Gary J. Tustin
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Patent number: 6608137Abstract: Stable, gel-free, water-in-oil microdispersions comprising a continuous phase of an oil and an emulsifier and a discontinuous phase of an aqueous solution of a hydroxamated vinyl polymer are disclosed. Also disclosed is a method for the production of the above-described microdispersions wherein neutralized hydroxylamide and excess base are reacted with a microdispersion of the vinyl polymer.Type: GrantFiled: December 17, 1993Date of Patent: August 19, 2003Assignee: Cytec Technology Corp.Inventors: Howard Ivan Heitner, Roderick Glyn Ryles
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Patent number: 6583248Abstract: The polymerizable cyclodextrin derivatives (“PCDs”) of this invention relate to cyclodextrin derivatives wherein substantially each molecule of which contains one or more covalently attached polymerizable group or groups, may also contain one or more other types of functional groups covalently attached, may also have other types of molecules that are complexed or more particularly within the otherwise empty spaces within the cyclodextrin derivatives, and combinations and permutations of these characteristics.Type: GrantFiled: October 10, 2000Date of Patent: June 24, 2003Assignee: American Dental Association Health FoundationInventor: Rafael L. Bowen
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Patent number: 6541573Abstract: A process for the elimination of formamide from polymers containing N-vinylformamide units involves treating formamide-containing polymers with from 1 to 2 mol-equivalents of an acid or a base, based on 1 mol-equivalent of formamide, under reaction conditions such that the N-vinylformamide units in the polymer undergo virtually no hydrolysis.Type: GrantFiled: February 7, 2001Date of Patent: April 1, 2003Assignee: BASF AktiengesellschaftInventors: Manfred Niessner, Martin Rübenacker, Norbert Mahr
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Publication number: 20030013817Abstract: A novel class of high temperature ion-containing poly(aromatic) polymers is disclosed.Type: ApplicationFiled: June 26, 2001Publication date: January 16, 2003Inventor: Kelly Lu
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Patent number: 6465579Abstract: A silica-polymer composite, featuring a low viscosity and excellent processability when being kneaded with a rubber and superior in dispersibility and tensile strength, comprising a polymer having a polar group containing a hetero atom and a benzene ring or a polymer having a carboxylic acid reacted with silica in a solution.Type: GrantFiled: February 14, 2000Date of Patent: October 15, 2002Assignee: The Yokohama Rubber Co., Ltd.Inventors: Keisuke Chino, Fumito Yatsuyanagi, Hidekazu Onoi
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Patent number: 6458348Abstract: The use of polymers comprising as essential structural elements units of the formula I and/or II in which R1 is H, alkyl, cycloalkyl, aryl or aralkyl, R2 and R3 independently of one another are defined as for R1 or are selected from substituted alkyl, substituted cycloalkyl, substituted aryl or substituted aralkyl, the substituents being selected from OH, O-alkyl, O-aryl, SH, S-alkyl, S-aryl, NH2, NH-alkyl, NH-aryl, N(alkyl)2, in protonated form if desired, N(alkyl)3+Z31 , where Z is the radical of an organic or inorganic acid, COOH, COO-alkyl, CONH2, CONH-alkyl, CON(alkyl)2, CN and SO3H; and the indices x in each case independently of one another are an integer from 1 to 20, and their corresponding acid addition salts as biocides.Type: GrantFiled: March 7, 2000Date of Patent: October 1, 2002Assignee: BASF AktiengesellschaftInventors: Jürgen Tropsch, Dieter Zeller, Anton Negele, Norbert Mahr, Jürgen Decker
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Patent number: 6433026Abstract: The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinked polymer. The alkylated and crosslinked polymer salt comprises the reaction product of crosslinked polymers, or salts and copolymers thereof having amine containing repeat units, with at least one aliphatic alkylating agent.Type: GrantFiled: March 9, 2001Date of Patent: August 13, 2002Assignee: GelTex Pharmaceuticals, Inc.Inventors: W. Harry Mandeville, III, Stephen Randall Holmes-Farley
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Patent number: 6423786Abstract: Disclosed are polymers comprising alkylhydrazine-functionalized styrene units of Formula 1 wherein m is an integer from 1 to 3; n is an integer from 0 to 50; p is an integer from 1 to 25; and R1 is C1-C3 alky or benzyl; a process for their preparation, and their use as supports for solid phase synthesis of small molecules and as supported nucleophiles to aid solution phase synthesis.Type: GrantFiled: October 4, 1999Date of Patent: July 23, 2002Assignee: E. I. du Pont de Nemours and CompanyInventor: Gregory Steven Basarab
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Patent number: 6388021Abstract: A metal surface treatment composition is provided which improves corrosion resistance and film adhesion, and confers slip properties. This composition is an acrylic resin-containing metal surface treatment composition which is water-soluble, water-dispersible or emulsifiable, which comprises an acrylic resin, this resin comprising either or both of an amino group and an ammonium group together with a hydroxyl group and a hydrophobic group, and which further comprises a heavy metal or one of its salts.Type: GrantFiled: April 14, 1999Date of Patent: May 14, 2002Assignee: Nippon Paint Co., Ltd.Inventors: Yasuhiro Shibata, Tomoyuki Kanda, Atsuhiko Tounaka, Susumu Maekawa, Kiyotada Yasuhara
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Patent number: 6369165Abstract: A process for preparing polymers of N-vinyl compounds comprises polymerizing the vinyl compounds in the presence of free radicals of the formula I where Q is NR2 or S and T is CR3R4 or S and R1, R2, R3 and R4 can be identical or different and are, independently of one another, hydrogen, C1-C20-alkyl or C6-C18-aryl.Type: GrantFiled: August 16, 2000Date of Patent: April 9, 2002Assignee: BASF Akiengesellschaft & Max-Planck-GesellschaftInventors: Roman Benedikt Raether, Wolfgang Paulus, Frank Braun, Klaus Müllen, Markus Klapper, Marco Steenbock
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Patent number: 6365676Abstract: The invention concerns a process for the reaction of a perfluoroalkyl iodide of the formula CF3(CF2)h—I, where h is an integer from 4 to 18, with a compound having a terminal olefinic group, which comprises conducting said reaction in an aqueous medium containing 5 to 40% by weight of a water-soluble solvent and in the presence of from 0.02 to 0.5 equivalents of dithionite ion, based on the perfluoroalkyl iodide, at a temperature of from 0 to 40° C. and at a pH greater than 7.0.Type: GrantFiled: October 16, 2000Date of Patent: April 2, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: John Jennings, Ted Deisenroth, Marlon Haniff
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Patent number: 6225355Abstract: The invention relates to a method for removing bile salts from a patient in need thereof and compositions use full in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinked polymer. The alkylated and crosslinked polymer salt comprises the reaction product of polymers, or salts and copolymers thereof having amine containing repeat units, with at least one aliphatic alkylating agent and a crosslinking agent.Type: GrantFiled: March 22, 2000Date of Patent: May 1, 2001Assignee: GelTex Pharmaceuticals, Inc.Inventors: W. Harry Mandeville, III, Stephen Randall Holmes-Farley
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Patent number: RE37037Abstract: Mannich (alk)acrylamide microparticles are produced at high solids contents without a significant increase in bulk viscosity by inverse microemulsion polymerization and provide superior dewatering characteristics.Type: GrantFiled: May 16, 1997Date of Patent: January 30, 2001Assignee: Cytec Technology Corp.Inventors: Joseph J. Kozakiewicz, Sun-Yi Huang