With Monomer Containing Oxygen Patents (Class 526/307.4)
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Patent number: 9023966Abstract: The present invention relates compositions and methods for enhanced oil recovery. The method is directed to employing a water-soluble The present invention relates compositions and methods for enhanced oil recovery (EOR). The method is directed to employing a water-soluble functional polymeric surfactant (FPS), with a medium IFT value, preferably ranged from about 0.1 to about 15 dyne/cm between water phase containing polymeric surfactant and hydrocarbon phase, for recovery of hydrocarbons from subterranean formations. The FPS solution demonstrates a strong interaction with oil and the great potential to increase both volumetric sweep efficiency and microscopic displacement efficiency in EOR.Type: GrantFiled: April 23, 2009Date of Patent: May 5, 2015Inventors: Rui Zhang, Yongchun Tang
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Patent number: 8921478Abstract: A method of inhibiting hydrates in a fluid comprising water and gas comprising adding to the fluid an effective hydrate-inhibiting amount of a composition comprising one or more copolymers of N-alkyl(alkyl)acrylamide monomers and one or more cationic monomers selected from acid and alkyl chloride quaternary salts of N,N-dialkylaminoalkyl(meth)acrylates and N,N-dialkylaminoalkyl(meth)acrylamides.Type: GrantFiled: October 17, 2008Date of Patent: December 30, 2014Assignee: Nalco CompanyInventors: Peter G. Conrad, Erick J. Acosta, Kevin P. McNamee, Brian M. Bennett, Olga E. S. Lindeman, Joseph R. Carlise
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Patent number: 8871831Abstract: A polymer formed by controlled radical polymerization includes groups that can be modified after controlled radical polymerization to form a radical. The polymer can be the reaction product of a controlled radical polymerization of radically polymerizable monomers, wherein at least one of the radically polymerizable monomers includes at least one group that can be modified after the controlled radical polymerization to form a radical.Type: GrantFiled: October 28, 2013Date of Patent: October 28, 2014Assignees: University of Pittsburgh—of the Commonwealth System of Higher Education, Carnegie Mellon UniversityInventors: Jinyu Huang, Alan J. Russell, Nicolay V. Tsarevsky, Krzysztof Matyjaszewski
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Patent number: 8663660Abstract: Polymerized micelles comprising polymerized amphiphilic molecules obtained starting from amphiphilic molecules having one or two lipid chains each comprising one or two polymerizable moieties and linked to a polar head.Type: GrantFiled: April 28, 2009Date of Patent: March 4, 2014Assignees: Les Laboratories Servier, Commissariat a l'Energie AtomiqueInventors: Julien Ogier, Eric Doris, François Lefoulon, Thomas Arnauld
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Patent number: 8598291Abstract: Antifouling composition containing a fluorocopolymer which contains from 30 to 70 mass % of polymerized units (a?) having a C1-6 perfluoroalkyl group, from 20 to 69 mass % of polymerized units (b?) having an alkylene oxide chain and from 1 to 10 mass % of polymerized units (c?) having an amino group, and which has anionic groups at its main chain terminals. Method of making.Type: GrantFiled: November 27, 2009Date of Patent: December 3, 2013Assignee: Asahi Glass Company, LimitedInventors: Hiroyuki Hara, Shuichiro Sugimoto, Takao Hirono, Takashige Maekawa
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Patent number: 8378003Abstract: Provided are substantially flat membranes that include a block or graft co-polymer and a water transport protein, such as Aquaporin-Z, or a synthetic mimic of such proteins. Also provided are methods of removing contaminants from a liquid, by contacting the liquid with a substantially flat membrane that includes a block or graft co-polymer and a water transport protein or synthetic mimic thereof. Also provided are methods of making such membranes. Further provided are compositions that include at least one active ingredient and vesicles surrounding the active ingredient, where the vesicles include a block or graft copolymer and a water transport protein or synthetic mimic surrounding the active ingredient. Also provided are methods that include administering such compositions to patients.Type: GrantFiled: December 4, 2008Date of Patent: February 19, 2013Assignee: The Board of Trustees of the University of IllinoisInventors: Kumar Manish, Clark Mark, Zilles L. Julie, Mariusz Grzelakowski, Rainer Nehring, WolfGang Meier
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Patent number: 8153740Abstract: The present invention relates to an ampholytic copolymer, to polyelectrolyte complexes which comprise such an ampholytic copolymer, and to cosmetic or pharmaceutical compositions which comprise at least one ampholytic copolymer or one polyelectrolyte complex.Type: GrantFiled: December 29, 2003Date of Patent: April 10, 2012Assignee: BASF AktiengesellschaftInventors: Son Nguyen-Kim, Horst Schuch, Thomas Kaiser, Claudia Wood, Peter Hossel
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Publication number: 20110293540Abstract: Provided herein are branched polymers synthesized from: at least one (A1) reactive monomer having a vinyl functional group, or (A2) a hybrid reactive monomer having (a) at least one vinyl functional group and (b) at least one reactive non-vinyl functional group; and at least one: (B1) branching agent having at least two N-vinyl formamide functional groups or (B2) a hybrid branching agent having (a) at least one N-vinyl formamide functional group, and (b) at least one vinyl functional group. The polymers exhibit branching behavior, which in some embodiments lends to lower viscosity, enhanced processability, and/or improved sprayability compared to a corresponding polymer of equal molecular weight synthesized without the second reactive moiety. Formulations with the invention's polymers also are presented.Type: ApplicationFiled: July 7, 2011Publication date: December 1, 2011Applicant: ISP INVESTMENTS INC.Inventors: Osama M. Musa, David C. Streuli, Jose Martinez-Santiago, Cuiyue Lei
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Patent number: 8022030Abstract: The present invention relates to the field of perfumery. More particularly, it concerns co-polymers, derived from a maleic anhydride derivative and a ethylenic derivative, comprising at least one ?-oxy or ?-thio carbonyl moiety capable of liberating an active molecule such as, for example, an ?,?-unsaturated ketone, aldehyde or carboxylic ester. The present invention concerns also the use of polymers or co-polymers in perfumery as well as the perfuming compositions or perfumed articles comprising the invention's compounds.Type: GrantFiled: October 5, 2007Date of Patent: September 20, 2011Assignee: Firmenich SAInventors: Damien Berthier, Andreas Herrmann
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Publication number: 20110166308Abstract: The present invention provides polymers resulting from polymerization of at least one reactive vinyl monomer moiety and a multifunctional N-vinylformamide crosslinking moiety; polymers resulting from polymerization of at least one reactive vinyl monomer moiety and a hybrid N-vinylformamide crosslinking moiety having at least one N-vinylformamide functionality and at least one other reactive vinyl functionality; polymers resulting from polymerization of at least one hybrid reactive N-vinylformamide monomer moiety having one N-vinylformamide functionality and at least one other reactive non-vinyl functionality and a multifunctional N-vinylformamide crosslinking moiety; and polymers resulting from polymerization of at least one hybrid reactive N-vinylformamide monomer moiety having one N-vinylformamide functionality and at least one other reactive non-vinyl functionality and a hybrid N-vinylformamide crosslinking moiety having at least one N-vinylformamide functionality and at least one other reactive vinyl funcType: ApplicationFiled: January 5, 2011Publication date: July 7, 2011Inventors: Osama M. Musa, Ilya Makarovsky, Lei Cuiyue
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Patent number: 7964686Abstract: Aqueous treatment composition for use as anti-scalant and dispersant. The composition includes a polymer containing low amounts of sulfonate that prove as effective in carbonate and phosphate inhibition as polymers containing much higher amounts of sulfonate.Type: GrantFiled: April 13, 2007Date of Patent: June 21, 2011Assignee: Akzo Nobel N.V.Inventors: Klein A. Rodrigues, Adrian Zuberbuehler, Stuart Holt, Kevin Beairsto
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Patent number: 7943713Abstract: Polymeric compounds of formula I comprising boronic acid are provided. These polymeric compounds are prepared either by grafting boronic acid containing compounds (e.g. 4-carboxyphenylboronic acid) to hydrolysed poly(N-vinylformamide) or hydrolysing copolymer(s) obtained by copolymerizing vinyl group containing boronic acid monomers (e.g. -vinylphenyl boronic acid) and N-vinylformamide. These polymeric compounds are used in increasing the wet strength of paper in paper-making processes. Formula (I).Type: GrantFiled: July 29, 2005Date of Patent: May 17, 2011Assignee: BASF AktiengesellschaftInventors: Robert H. Pelton, Chen Lu
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Patent number: 7935773Abstract: The present disclosure relates to compositions comprising a copolymer that includes a first monomer and a second monomer that is different from the first monomer, wherein both the first and second monomer are selected from the group consisting of 3-sulfopropyl acrylate potassium salt, sodium acrylate, N-(tris(hydroxyl methyl)methyl)acrylamide, and 2-acrylamideo-2-methyl-1-propane sulfonic acid. The present disclosure further relates to methods for preparing the copolymer compositions and shaped articles comprising the copolymers.Type: GrantFiled: August 16, 2005Date of Patent: May 3, 2011Assignee: Tyco Healthcare Group LPInventors: Ahmad R. Hadba, Brian Cuevas, Frank R. Schiretz, Joshua B. Stopek
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Patent number: 7829644Abstract: New gel-forming reagents including monomers and cross-linkers, which can be applied to gel-drop microarray manufacturing by using co-polymerization approaches are disclosed. Compositions for the preparation of co-polymerization mixtures with new gel-forming monomers and cross-linker reagents are described herein. New co-polymerization compositions and cross-linkers with variable length linker groups between unsaturated C?C bonds that participate in the formation of gel networks are disclosed.Type: GrantFiled: October 18, 2006Date of Patent: November 9, 2010Assignee: UChicago Argonne, LLCInventors: Julia Golova, Boris Chernov, Alexander Perov
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Patent number: 7807766Abstract: Polymers which are suitable for use in cleaning compositions are described. The polymers are comprised of at least three different monomers. The types of monomers and ratios of the monomers in the polymers are further disclosed. Cleaning compositions containing the polymers for treating various surfaces and for use in various applications are also provided.Type: GrantFiled: September 8, 2006Date of Patent: October 5, 2010Assignee: Cognis IP Management GmbHInventors: Thomas Albers, Wolfgang Denuell, Stephen Gross, Dirk Mampe, Florence Mazuel, Hans-Christian Raths, Christoph G Schunicht
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Patent number: 7744725Abstract: An additive for internal addition, which improves the paper qualities of a pulp sheet, such as stiffness and bulk which includes a polymer emulsion containing a natural cationic polymer (A) or synthetic cationic polymer (A?) and polymer particles (B) containing vinyl monomer-derived structural units.Type: GrantFiled: August 27, 2003Date of Patent: June 29, 2010Assignee: Kao CorporationInventors: Kazuo Kubota, Zenbei Meiwa, Hiromichi Takahashi, Yoshihiro Hasebe
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Patent number: 7737237Abstract: The present invention concerns a controlled structure copolymer comprising at least two different parts, a first part A, amphoteric or zwitterionic, including anionic or potentially anionic units, and cationic or potentially cationic units, or zwitterionic units, and another part B, non amphoteric or zwitterionic. Said copolymer further exhibits a high potential for adaptation, through variation in its composition, in order to improve or modify the properties of compositions in which it is introduced.Type: GrantFiled: October 31, 2003Date of Patent: June 15, 2010Assignee: Phodia ChimieInventor: Mathias Destarac
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Patent number: 7732548Abstract: Water-soluble copolymers and terpolymers as stabilizers for aqueous building material systems and water-based paint and coating systems are described. Advantages of the copolymers and terpolymers used according to the invention compared to conventional products are firstly the very good stabilizing properties of the building material systems or water-based paint and coating systems produced correspondingly and secondly the fact that the viscosity of the systems is barely increased, so that these have excellent processability.Type: GrantFiled: October 18, 2004Date of Patent: June 8, 2010Assignee: Construction Research & Technology GmbHInventors: Michael Schinabeck, Stefan Friedrich, Irene Gattinger, Andreas Tselibidis, Gerhard Albrecht, Alfred Kern
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Patent number: 7718338Abstract: A charge control resin containing a copolymer which has a unit having a sulfonic acid ester group having a specific structure and has the unit in specific proportions. The charge control resin can provide a toner with superior charging performance. Also disclosed is a toner having such a charge control resin.Type: GrantFiled: March 24, 2006Date of Patent: May 18, 2010Assignee: Canon Kabushiki KaishaInventors: Norikazu Fujimoto, Yasukazu Ayaki, Shigeto Tamura, Tetsuya Yano
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Patent number: 7714038Abstract: Polyolefin waxes bearing (meth)acrylate groups, process for preparing them and their use.Type: GrantFiled: March 2, 2006Date of Patent: May 11, 2010Assignee: BASF AktiengesellschaftInventors: Dietmar Haering, Bernhard Hauer, Thomas Pfeiffer, Andreas Fechtenkoetter, Harald Larbig, Erich Beck
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Patent number: 7714090Abstract: A (meth)acrylate copolymer obtained by copolymerization of a monomer mixture containing a monomer (A) of the general formula (I), wherein R1 is a hydrogen atom or methyl, R2 is a linear or branched alkylene group having 1 to 8 carbon atoms and Y is a single bond or an oxygen atom, a monomer (B) copolymerizable with the monomer (A) and a crosslinking monomer (C).Type: GrantFiled: March 1, 2006Date of Patent: May 11, 2010Assignee: Hoya CorporationInventors: Hidetoshi Iwamoto, Yoko Katsuki
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Patent number: 7709052Abstract: Alkyldiketene-containing aqueous polymer dispersions which are obtainable by miniemulsion polymerization of hydrophobic monoethylenically unsaturated monomers in the presence of alkyldiketenes, processes for the preparation of such polymer dispersions and the use of the thus obtainable dispersions as sizes for paper or as water repellents for leather, natural and/or manmade fibers and textiles.Type: GrantFiled: October 9, 2003Date of Patent: May 4, 2010Assignee: BASF AktiengesellschaftInventors: Rainer Dyllick-Brenzinger, Roland Ettl, Franca Tiarks, Ulrich Riebeling
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Patent number: 7399818Abstract: A curable composition including a compound, containing as polymerized units, carboxylic acid groups, anhydride groups, or salts thereof, and a styrene, ?-methyl styrene, butyl (meth)acrylate, methyl methacrylate, ethyl (meth)acrylate, mono-alkyl (meth)acrylamide, or di-alkyl (meth)acrylamide ethylenically unsaturated monomer having a solubility in water of less than 2 g/100 g water at 25° C.; wherein the compound is either admixed with or copolymerized with a hydroxyl group-containing compound; the curable composition contains from about 3 to about 25 weight percent, based on the total weight of polymerized monomers in the curable composition, of the ethylenically unsaturated monomer; the ratio of the number of equivalents of the carboxylic acid groups, anhydride groups, or salts thereof to the number of equivalents of the hydroxyl groups is from about 1/0.01 to about ?, is provided.Type: GrantFiled: February 9, 2005Date of Patent: July 15, 2008Assignee: Rohm and Haas CompanyInventors: Karl Allen Bromm, Xun Tang, Barry Weinstein
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Patent number: 7393908Abstract: The invention relates to a cross-linked, water-swellable polymer that contains polymerized into it moieties of a) water-soluble, monoethylenically unsaturated monomers, and b) 0.001 to 5 mole % based on the monomers a) of a cross-linking combination, b1) a frist cross-linking agent with at least two (meth)acrylic ester moieties in the molecule and b2) a second cross-linking agent with at least two (meth)allyloxy moieties in the molecule, the molar ratio of b1) to b2) ranging from 0.7:1 to 10:1. The polymer according to the invention has a balanced property profile as regards absorptivity, gel strength, absorption speed and extractable componenents and can be advantageously produced by a continuous method.Type: GrantFiled: October 17, 2001Date of Patent: July 1, 2008Assignee: BASF AktiengesellschaftInventors: Wilfried Heide, Stefan Wickel, Thomas Daniel, Uwe Stüven
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Patent number: 7371783Abstract: Provided is an alkali-soluble maleimide-based copolymer which comprises, as essential constituents, 5 to 50% by mass of a maleimide monomer unit which is at least one unit selected from the group consisting of a N-cyclohexylmaleimide monomer unit, a N-benzylmaleimide monomer unit and a substituted N-benzylmaleimide monomer unit, 8 to 30% by mass of the (meth)acrylic acid monomer unit and 30 to 87% by mass of a (meth)acrylic acid ester monomer unit and which satisfies the condition represented by the formula: 0.4×X?Y?0.5×X+10 where X is the content, in % by mass, of the N-cyclohexylmaleimide monomer unit, the N-benzylmaleimide monomer unit and the substituted N-benzylmaleimide monomer unit and Y is the content, in % by mass, of the (meth)acrylic acid monomer unit. Also provided are a color filter and a liquid crystal display which are formed by using the ionizing radiation-curable resin composition.Type: GrantFiled: September 24, 2002Date of Patent: May 13, 2008Assignees: Nippon Shokubai Co., Ltd., Dainippon Printing Co., Ltd.Inventors: Masahiro Tatsuzawa, Kiyoshi Ito, Shinji Hayashi, Shunsuke Sega, Tomonobu Sumino, Minoru Yamaguchi, Tomomasa Kaneko, Kenichi Ueda
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Patent number: 7282318Abstract: The present invention relates to photoresist compositions for EUV and methods for forming photoresist patterns. More specifically, fine photoresist patterns: of less than 50 nm without collapse are formed with EUV (Extreme Ultraviolet) as an exposure light source by using a negative photoresist composition comprising a melamine derivative and polyvinylphenol.Type: GrantFiled: June 24, 2004Date of Patent: October 16, 2007Assignee: Hynix Semiconductor Inc.Inventor: Jae Chang Jung
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Patent number: 7279505Abstract: The present invention provides a radiation-curable prepolymer. The radiation-curable prepolymer of the invention is prepared by reacting an isocyanate-capped polyurethane with an ethylenically unsaturated amine or an ethylenically unsaturated monohydroxy compound or a mixture thereof, wherein the isocyanate-capped polyurethane is a copolymerization production of: (a) at least one polyalkylene glycol; (b) at least one branching agent having at least three hydroxy groups; and (c) at least one di- or polyisocyanate. The radiation-curable prepolymer of the invention can find use in economically producing contact lenses which have durable, highly elastic soft contact lenses with desired physical properties. In addition, the present invention provides method for making a radiation-curable prepolymer of the invention and for making a medical device, preferably an ophthalmic device, more preferably a contact lens.Type: GrantFiled: October 5, 2005Date of Patent: October 9, 2007Assignee: Novartis AGInventors: John Christopher Phelan, Michael Hugh Quinn, Joshua Andrew Wallach
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Patent number: 7268199Abstract: The present invention relates to the modification of surface properties of particulate, linear, sheet-like, or three-dimensional structures using alkoxylated polyvinylamines. The invention further relates to novel alkoxylated polyvinylamines, and also to a process for their preparation.Type: GrantFiled: June 13, 2001Date of Patent: September 11, 2007Assignee: BASF AktiengesellschaftInventors: Valerie Andre, Werner Bertleff, Oliver Borzyk, Juergen Huff, Ralf Noerenberg
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Patent number: 7250462Abstract: The invention relates to an amphoteric water-soluble polymer dispersion containing polymer particles with particle diameters of 100 ?m or smaller and produced by dispersion-copolymerization of a monomer mixture comprising a methacrylate monomer containing a quaternary ammonium salt group, an acrylate monomer containing a quaternary ammonium salt group, an anionic monomer, and a (meth)acrylamide in respectively ratios specified in an aqueous salt solution in the presence of a polymer dispersant soluble in the aqueous salt solution and the invention also relates to a dewatering agent for organic sludge, a pretreatment agent or yield improver for paper making raw materials, and/or a drainage properties-enhancing agent using the amphoteric water-soluble polymer.Type: GrantFiled: May 28, 2002Date of Patent: July 31, 2007Assignee: Hymo CorporationInventors: Isamu Kubota, Hiroyuki Koshio
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Patent number: 7183366Abstract: The present invention is generally directed to copolymers of fluorene. It further relates to devices that are made with the copolymers.Type: GrantFiled: September 14, 2004Date of Patent: February 27, 2007Assignee: E. I. du Pont de Nemours and CompanyInventors: Frank P. Uckert, Howard E. Simmons, III
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Patent number: 7101605Abstract: White, biaxially oriented polyester films which have a base layer B which comprises a thermoplastic polyester such as polyethylene terephthalate, and which comprise substantially only TiO2 as a white pigment, whose R value is less than 43 daN/mm2, whose emax ratio is less than 2.5 and at least one of whose two surfaces of the film has been provided with an acrylate-containing coating, are particularly tear-resistant and do not tend to delamination and are therefore suitable in particular as lid films for food containers, for example yoghurt cups. A process is described for producing the films.Type: GrantFiled: October 10, 2003Date of Patent: September 5, 2006Assignee: Mitsubishi Polyester Film GmbHInventors: Thorsten Kiehne, Herbert Peiffer, Bodo Kuhmann
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Patent number: 7081325Abstract: Photoresist polymers and photoresist compositions containing the same are disclosed. A negative photoresist composition containing a photoresist polymer comprising a repeating unit represented by Formula 4 prevents collapse of patterns when photoresist patterns of less than 50 nm are formed. Accordingly, the disclosed negative photoresist composition is very effective for a photolithography process using EUV (Extreme Ultraviolet, 13 nm) light source. wherein R1, R2, R3, R4, R5, R6, R7, a, b and c are as defined in the description.Type: GrantFiled: November 21, 2003Date of Patent: July 25, 2006Assignee: Hynix Semiconductor Inc.Inventors: Sung Koo Lee, Jae Chang Jung
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Patent number: 7078472Abstract: The present invention relates to a bicarboxyl monomer of formula (I), wherein R1 and R2 independently is H, alkali metal, or NH4. A dispersant composition containing copolymer made from monomer (I) is also disclosed. The copolymer can be applied to prepare ceramic powder slurry for reducing the release of cations, dispersing the ceramic particles homogenously in the ceramic powder slurry, as well as stabilizing the suspension in the ceramic powder slurry.Type: GrantFiled: December 17, 2003Date of Patent: July 18, 2006Assignee: National Taiwan Normal UniversityInventors: Lung-Pin Chen, Kung-Chung Hsu
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Patent number: 7060776Abstract: The invention relates to an acrylic monomer defined by formula (I): wherein R1, R2 and R3 are H or CH3; R4 and R5 are H or OH; R6 and R7 are H or OH; R8 is H or CH3; m is 2–4; and n and p are 0 or 1. The invention also relates to a polymer comprised of repeated such monomer units as well as a separation matrix prepared thereof.Type: GrantFiled: December 17, 2002Date of Patent: June 13, 2006Assignee: GE Healthcare Bio-Sciences ABInventors: Mattias Algotsson, Bengt Bjellqvist, Ronnie Palmgren
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Patent number: 7030202Abstract: A thermally processable graft copolymer formed from a water soluble polymer and a water insoluble polymer, wherein the graft copolymer forms a hydrogel upon exposure to water. A method to form such a hydrogel-forming graft copolymer by copolymerizing a water soluble 2-substituted-2-oxazolines with a water insoluble 2-substituted-2-oxazoline. A method to form such a hydrogel-forming graft copolymer by transamidating a poly-2-oxazoline with a carboxylic acid terminated water-insoluble polymer.Type: GrantFiled: June 25, 2003Date of Patent: April 18, 2006Assignee: Polymer Chemistry Innovations, Inc.Inventors: Bernard Gordon, III, Jim DiBattista
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Patent number: 6995192Abstract: The present invention provides a radiation-curable prepolymer. The radiation-curable prepolymer of the invention is prepared by reacting an isocyanate-capped polyurethane with an ethylenically unsaturated amine or an ethylenically unsaturated monohydroxy compound or a mixture thereof, wherein the isocyanate-capped polyurethane is a copolymerization production of: (a) at least one polyalkylene glycol; (b) at least one branching agent having at least three hydroxy groups; and (c) at least one di- or polyisocyanate. The radiation-curable prepolymer of the invention can find use in economically producing contact lenses which have durable, highly elastic soft contact lenses with desired physical properties. In addition, the present invention provides method for making a radiation-curable prepolymer of the invention and for making a medical device, preferably an ophthalmic device, more preferably a contact lens.Type: GrantFiled: August 13, 2003Date of Patent: February 7, 2006Assignee: Novartis AGInventors: John Christopher Phelan, Michael Hugh Quinn, Joshua Andrew Wallach
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Patent number: 6994791Abstract: The present invention relates to an adsorbent material for chromatography comprising a polymer immobilized onto a support, wherein the polymer backbone is attached to the support by one or more linkages which comprise one or more amide groups. It further relates to a method for preparing an adsorbent material for chromatography wherein a support is reacted with a polymer.Type: GrantFiled: June 27, 2003Date of Patent: February 7, 2006Assignee: Akzo Nobel N.V.Inventors: Per Möller, Domingo Sanchez, Peter Gidlund, Börje S. Persson, Lars Jonsson
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Patent number: 6962962Abstract: The invention provides an optically active polymer which is a product obtained by polymerizing a chiral alkoxy-substituted phenylacetylene such as p-(2-methylbutoxy)phenylacetylene, of which the 2-methylbutoxy group has chirality, in an organic solvent such as triethylamine in the presence of a rhodium complex compound as a polymerization catalyst. The optically active polymer exhibits a much larger optical rotation than the monomeric compound per se and is colored in different colors of, e.g., yellow and black, depending on the organic solvent used for polymerization. The yellow polymer turns to black by exposure to the vapor of a specific organic solvent such as chloroform and returns to yellow by re-precipitation from a chloroform solution with addition of methyl alcohol as a precipitant.Type: GrantFiled: May 8, 2003Date of Patent: November 8, 2005Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Masayoshi Tabata, Yasuteru Mawatari
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Patent number: 6939912Abstract: Compositions comprising at least one water-insoluble ingredient and at least one copolymer of A) from 5 to 99% by weight of at least one N-vinylcarboxamide of the formula I where R1 and R2 independently of one another are hydrogen or C1-C6-alkyl; B) from 1 to 95% by weight of at least one monomer having a hydrophobic radical which can be copolymerized with vinylcarboxamides of the formula I; and optionally C) from 0 to 94% by weight of at least one other copolymerizable monomer, and the use of the above copolymers as solubility promoters.Type: GrantFiled: May 20, 2002Date of Patent: September 6, 2005Assignee: BASF AktiengesellschaftInventors: Stephan Kothrade, Anton Negele, Helmut Meffert, Axel Sanner
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Patent number: 6852815Abstract: What is described herein are conditioning/styling tetrapolymers of vinyl caprolactam (VCL), vinylpyrrolidone (VP), dimethylaminopropyl methacrylamide (DMAPMA) and C8-C24 alkyl quaternized dimethylaminopropyl (meth)acrylamide or methacrylic acid quaternized monomers (QDMAPMA), in a defined compositional range. Hair and skin care compositions which include these tetrapolymers exhibit advantageous low tackiness and high humidity resistance.Type: GrantFiled: May 18, 2004Date of Patent: February 8, 2005Assignee: ISP Investments Inc.Inventors: Jui-Chang Chuang, Janusz Jachowicz, Thomas Winkler, Allen J. Krauss
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Publication number: 20040077509Abstract: Viscosity index improvers, are disclosed, comprising oil-soluble copolymer (A) comprising units of 5-90% by weight of a monomer (a) represented by the general formula:Type: ApplicationFiled: August 1, 2003Publication date: April 22, 2004Inventors: Tsuyoshi Yuki, Minoru Nishida
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Patent number: 6723814Abstract: Membranes made from amphiphilic copolymers are disclosed. The amphiphilic copolymers can be ABA copolymers, where one of A and B is hydrophilic and the other is hydrophobic. The copolymers may be crosslinked to form more stable structures. Crosslinking can be accomplished using a variety of methods, including end to end polymerization of copolymers having terminal unsaturated groups. Molecules such as membrane proteins can be incorporated into the membrane to allow the transport there through of selected components.Type: GrantFiled: May 16, 2001Date of Patent: April 20, 2004Assignee: BioCure, Inc.Inventors: Wolfgang Meier, Corinne Nardin, Mathias Winterhalter
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Patent number: 6691715Abstract: Novel water soluble polymers in solution or water-in-oil emulsion form are disclosed containing quaternary ammonium monomers; and optionally (meth)acrylic acid or 2-(meth)acrylamido-2-methylpropane sulfonic acid; methylene bis-acryamide and the like; and a C1-C3 alkyl (meth) acrylate acrylamide or methacrylamide and the use thereof in hair, skin and nail conditioning; papermaking; and subterranean well drilling and well cementing operations.Type: GrantFiled: September 13, 2002Date of Patent: February 17, 2004Assignee: Calgon CorporationInventors: Gary F. Matz, Randy J. Loeffler, Shih-Ruey T. Chen, Allan L. Melby, Nicholas F. Vozza
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Patent number: 6683145Abstract: A coating composition containing an emulsion polymer prepared with up to about 20% by weight, based on total polymerizable monomers, of addition polymerizable esters of the glycidyl esters of tertiary acids having 9 or more carbon atoms, preferably up to 18 carbon atoms, and particularly having 9 to 11 carbon atoms has improved application properties and produces coatings with better appearance and less water sensitivity. The emulsion polymerization process of the invention produces less coagulum without having to increase the amount of surfactant.Type: GrantFiled: October 26, 2001Date of Patent: January 27, 2004Assignee: BASF CorporationInventor: Sunitha Grandhee
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Publication number: 20030208019Abstract: A composition for plastic lenses having a viscosity suitable for application to plastic lens materials and other optical materials and capable of giving a cured material having a relatively high refractive index and a low specific gravity, a plastic lens obtained by curing the composition, and a process for producing the plastic lens. A specific dicarboxylic acid component and a specific diol component are employed and the ratio of the components is adjusted to provide the composition for plastic lenses.Type: ApplicationFiled: March 14, 2002Publication date: November 6, 2003Inventors: Kazuhiko Ooga, Tsuneo Tajima, Kai Kazufumi, Hiroshi Uchida
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Patent number: 6613856Abstract: Novel polymers are provided having phosphonated and sulphonated substituent groups such that the polymer is multifunctional in its use. Optional amide substituents are used to reduce electrostatic charge density or for hydrogen bonding. An advantage of the polymer is the flexibility of using it for multiple purposes. A particular application is for bonding paper fillers and paper fiber together.Type: GrantFiled: May 24, 2000Date of Patent: September 2, 2003Assignee: Minerals Technologies Inc.Inventors: Donald Kendall Drummond, Patrick Clinton Wernett
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Patent number: 6585873Abstract: A crosslinked hydrophilic gel in which the crosslinker used in a compound of Formula I or Formula II or combination thereof. These crosslinked hydrophilic gels provide enhanced separation in electrophoresis. The use of the crosslinkers of Formula I and/or II can result in electrophoresis gels having improved properties including: 1) a broader pore size range; 2) control of pore size distribution; 3) greater resistance to hydrolysis in alkaline media; 4) greater clarity of gels prepared with high concentration of the crosslinkers; and 5) improved background silver staining.Type: GrantFiled: March 22, 2000Date of Patent: July 1, 2003Assignee: University of MelbourneInventors: David Henry Solomon, Greg GuangHua Qiao, Georgia Patras
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Patent number: 6573348Abstract: A curable resin composition containing (A) an aromatic diallyl compound, (B) an acid derivative or an aliphatic group-containing compound having at least 4 (meth)acryl groups in one molecule, (C) divinylbenzene, and (D) a polythiol compound having at least two mercapto groups in one molecule provides an optical material having a desirable refractive index, Abbe number and transparency, and excellent heat resistance.Type: GrantFiled: April 11, 2001Date of Patent: June 3, 2003Assignee: Daiso Co. LTDInventors: Katsutoshi Yokoyama, Kazuya Tsujimura
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Patent number: 6538089Abstract: A physically cross-linked copolymer comprising hydrophobic monomers, hydrogen bonding monomers, and thermosensitive monomers, said thermosensitive monomers having a distinct phase change at its lower critical solution temperature (LCST) when existing as a homopolymer. The physically cross-linked copolymer is used for drug delivery system or for enzyme delivery system. The physically cross-linked copolymer is also used for casting shapes of cavities, for production of miniaturized, detailed micro-parts or micro-machine parts, or for production of thermal switches.Type: GrantFiled: November 20, 2001Date of Patent: March 25, 2003Assignee: Forskarpatent I SYD ABInventors: Babinder Samra, Igor Galaev, Bo Mattiasson
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Patent number: 6534250Abstract: Functionalized derivatives of benzocyclobutenone of formula I and II herein are photoreactive and may be employed in the production of a variety of self-curable polymer composition which may be employed as photoresist compositions, pressure sensitive adhesives, hot melt adhesives and sealants; the polymer compositions may be cured or cross-linked by UV or Vis radiations.Type: GrantFiled: May 3, 2001Date of Patent: March 18, 2003Assignee: Carleton UniversityInventors: Zhi Yuan Wang, Li Kuang, Jian Ping Gao