Polymer Derived From Monomer Containing Nitrogen Other Than: Unsubstituted Ammonium, Acrylonitrile, Acrylamide, Methylolacrylamide And The Corresponding Methacryl Materials Patents (Class 525/328.2)
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Patent number: 8519058Abstract: Novel, crosslinked polymers using biomass derived materials, such as aldaric acids and derivatives, are provided. The polymers can be used as hydrogels and in antimicrobial compositions.Type: GrantFiled: February 23, 2005Date of Patent: August 27, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Mark Allen Andrews, Henry Keith Chenault, Garret D. Figuly
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Patent number: 8455598Abstract: In a process for producing a functionalized polyalkenamer, at least one monomer comprising a monocyclic olefin having at least one pendant alkyl group bonded thereto, wherein the pendant alkyl group has at least two carbon atoms and is substituted with a polar moiety spaced by at least one carbon atom from the monocyclic olefin, is contacted with a polymerization catalyst under conditions effective to effect ring opening polymerization of the monocyclic olefin and produce the functionalized polyalkenamer.Type: GrantFiled: August 28, 2012Date of Patent: June 4, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Lisa Saunders Baugh, Enock Berluche, Karla Schall Colle
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Publication number: 20130122055Abstract: Materials and Methods for the generation of polyelectrolyte multilayers that can erode to release cationic components. The multilayers comprise layers that contain one or more cations and one or more charge-dynamic anionic polymers. Charge-dynamic anionic polymers contain side chains having removable functional groups. Removal of the functional groups results in a change in the net change in the charge of the polymer which can disrupt interactions between cations and the anionic polymers and facilitate release of cations.Type: ApplicationFiled: October 23, 2012Publication date: May 16, 2013Inventors: Xianghui LIU, Jingtao Zhang, David M. Lynn
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Publication number: 20130123433Abstract: The present invention provides a method for preparing poly(allylamine) hydrochloride, sevelamer hydrochloride, sevelamer carbonate and colesevelam hydrochloride. The present invention also relates to a process for preparing oly(allylamine) hydrochloride, sevelamer hydrochloride, sevelamer carbonate and colesevelam hydrochloride with low allylamine content and high specific gravity.Type: ApplicationFiled: November 14, 2011Publication date: May 16, 2013Applicant: FORMOSA LABORATORIES, INC.Inventors: YU-LIANG LIU, CHING-PENG WEI
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Patent number: 8440768Abstract: Low amidine content poly(N-vinylformamide-co-vinylamine) (PVAm), is described, as well as processes of making and providing same in fresh or aged formats, and the usage of such polymer to increase papermaking retention and drainage rate and enhance paper dry strength, and other applications.Type: GrantFiled: June 18, 2009Date of Patent: May 14, 2013Assignee: Buckman Laboratories International, Inc.Inventors: Chen Lu, Jian Tan
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Patent number: 8426528Abstract: Processes for preparing crosslinked polymers using biomass derived materials, such as aldaric acids and derivatives, are provided. The polymers can be used as hydrogels.Type: GrantFiled: February 23, 2005Date of Patent: April 23, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Mark Allen Andrews, Garret D. Figuly, Henry Keith Chenault
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Patent number: 8420750Abstract: Copolymers comprising recurring units (A) of one or more of the general structural formulae -D-G-Arb-G-, -G-D-G-Arb- and/or -D-G- on one hand, and recurring units (B) of one or more of the general structural formulae —Ara-G-Arb-G-, -G-Ara-G-Arb- and/or —Ara-G- on the other hand, wherein D is a dibenzodiazocine-containing divalent group, Ara is a dibenzodiazocine-free divalent group containing a sulfone unit and/or a ketone unit, Arb is a dibenzodiazocine-free divalent group, and G is an ether or a thiether group. Preferably, recurring units (A) are of the general structural formula -D-G-Arb-G- and recurring units (B) are of the general structural formula —Ara-G-Arb-G-. Method for the preparation of the copolymers, compositions and articles made of the copolymers are also part of the invention.Type: GrantFiled: February 10, 2009Date of Patent: April 16, 2013Assignee: Solvay Advanced Polymers, L.L.C.Inventor: Charles Hoppin
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Patent number: 8404784Abstract: A novel process of manufacturing sevelamer carbonate from a polyallylamine carbonate or bicarbonate chloride salt. Process for manufacture of carbonate and/or bicarbonate salts of water insoluble polymers containing amino groups that are useful as anion binders in the gastrointestinal (GI) system. The process arranges the polyallylamine chain in a solution in such a way that the cross-linking reaction with epichlorohydrin can be controlled at a desired reaction rate.Type: GrantFiled: December 2, 2009Date of Patent: March 26, 2013Assignee: Navinta LLCInventors: Christopher N. Jobdevairakkam, Hero Velladurai
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Patent number: 8404762Abstract: Disclosed is a core-shell microparticle (10) which is produced by heating a mixture of a crosslinked microparticle (11) having an alkoxyamine group (12) and a monomer to 100 to 180° C. to cause graft polymerization. The crosslinked microparticle (11) is produced by allowing a seed particle to absorb a monomer mixture comprising 15 to 99% by mass of a crosslinkable monomer and 1 to 85% by weight of a monomer having an alkoxyamine group, and then adding a polymerization initiator to the resulting product to cause the polymerization of the monomer mixture.Type: GrantFiled: March 9, 2007Date of Patent: March 26, 2013Assignee: NOF CorporationInventors: Masaki Hayashi, Masumi Takamura
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Patent number: 8404767Abstract: A nitrile group-containing highly saturated copolymer rubber having an iodine value of 80 or less and containing a caprate in 0.01 to 0.4 wt %. Preferably, the caprate is an alkaline earth metal caprate or Group XIII metal caprate. According to present invention, it is possible to provide a nitrile group-containing highly saturated copolymer rubber improved in mold fouling resistance while maintaining good normal state physical properties and heat resistance when being made into a cross-linked product.Type: GrantFiled: December 26, 2008Date of Patent: March 26, 2013Assignee: Zeon CorporationInventors: Daizo Hosotani, Hiroyasu Nagamori, Shinya Ikeda
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Publication number: 20130056211Abstract: Compositions and methods for making a composition comprising a polymer and one or more chelators covalently coupled to polymer, wherein the one or more chelators has a benzene ring with more than one hydroxyl group at any position that is free, or a derivative of the chelator, or a salt of the chelator and methods of use.Type: ApplicationFiled: September 4, 2012Publication date: March 7, 2013Inventors: Cory Berkland, Zahra Mohammadi
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Patent number: 8389640Abstract: A process for the polymerization of allylamine and its subsequent crosslinking in the presence of a dispersing agent.Type: GrantFiled: June 23, 2008Date of Patent: March 5, 2013Assignee: Lupin LimitedInventors: Girij Pal Singh, Himanshu Madhav Godbole, Umesh Babanrao Rananaware, Vinayak Ravindra Sathe, Sagar Purushottam Nehate
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Patent number: 8362171Abstract: Norbornene monomers with epoxy groups and polymer materials thereof are disclosed. The Norbornene monomers with epoxy groups are prepared by Diels-Alder reaction. The Norbornene monomers with epoxy groups are highly active for ring-opening-metathesis polymerization (ROMP), and the molecular weight and PDI value of the obtained polymers are controllable.Type: GrantFiled: October 5, 2007Date of Patent: January 29, 2013Assignee: National Taiwan University of Science & TechnologyInventors: Der-Jang Liaw, Ching-Cheng Huang
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Publication number: 20130020526Abstract: Disclosed are water-soluble nanoparticles. The water-soluble nanoparticles are each surrounded by a multifunctional group ligand including an adhesive region, a cross linking region, and a reactive region. In the water-soluble nanoparticles, the cross-linking region of the multifunctional group ligand is cross-linked with another cross-linking region of a neighboring multifunctional group ligand.Type: ApplicationFiled: July 16, 2012Publication date: January 24, 2013Applicant: Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Jin-Woo CHEON, Young-Wook JUN, Jin-Sil CHOI
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Patent number: 8338554Abstract: Disclosed is a novel optically stable hyperbranched polymer whose molecular terminal can be derivatized with various compounds; and a method for producing such a polymer. Specifically disclosed is a hyperbranched polymer having a structure represented by Formula (1) wherein a halogen atom is at a molecular terminal. The hyperbranched polymer can be obtained by substituting the molecular terminal dithiocarbamate group of a hyperbranched polymer having a dithiocarbamate group at a molecular terminal, which is obtained by living radical polymerization of a dithiocarbamate compound having a vinyl group structure, with a halogen atom. Also disclosed is a hyperbranched polymer wherein an amino group or an ammonium group is at a molecular terminal instead of a halogen atom.Type: GrantFiled: August 29, 2007Date of Patent: December 25, 2012Assignee: Nissan Chemical Industries, Ltd.Inventors: Kei Yasui, Masaaki Ozawa, Akihiro Tanaka, Hiroki Takemoto
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Publication number: 20120322948Abstract: In a process for producing a functionalized polyalkenamer, at least one monomer comprising a monocyclic olefin having at least one pendant alkyl group bonded thereto, wherein the pendant alkyl group has at least two carbon atoms and is substituted with a polar moiety spaced by at least one carbon atom from the monocyclic olefin, is contacted with a polymerization catalyst under conditions effective to effect ring opening polymerization of the monocyclic olefin and produce the functionalized polyalkenamer.Type: ApplicationFiled: August 28, 2012Publication date: December 20, 2012Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Lisa Saunders Baugh, Enock Berluche, Karla Schall Colle
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Patent number: 8318865Abstract: The present invention is a method of manufacturing an eye lens material having a process in which a phosphorylcholine group-containing chemical compound represented by the following formula (1) is reacted and covalently bonded to the surface of an eye lens material having hydroxyl groups wherein the chemical compound represented by the following formula (2) is reacted and covalently bonded through ester-bonding to the eye lens material in an organic solvent. The object of the present invention is to provide an eye lens material that prevents protein adsorption and a method of manufacturing thereof.Type: GrantFiled: May 18, 2005Date of Patent: November 27, 2012Assignees: Shiseido Company, Ltd., Kazuhiko IshiharaInventors: Yukimitsu Suda, Kazuyuki Miyazawa, Kazuhiko Ishihara
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Patent number: 8299180Abstract: The present invention is directed to compositions comprising a cellulose reactive functionalized polyvinylamine first adduct, compositions comprising combinations of the cellulose reactive functionalized polyvinylamine first adduct and cellulose reactive functionalized polyvinylamide second adduct, methods for preparing first adduct and second adduct blends and finally methods of increasing the wet or dry strength of paper by incorporation into the paper furnish or coating a paper or board with said adducts.Type: GrantFiled: May 23, 2011Date of Patent: October 30, 2012Assignee: BASF SEInventor: Matthew D. Wright
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Patent number: 8299183Abstract: The invention relates to a process for preparing an aqueous polymer dispersion comprising reacting, in the presence of a polymeric cationic co-stabilizer (A), one or more monomers (m), and a polymer (B) of a monomer mixture comprising at least one monomer (x) having a primary, secondary or tertiary amine or amide group and at least one olefinic unsaturation, and, at least one cationic monomer (y) having at least one olefinic unsaturation. The invention also relates to a polymer dispersion, a process for preparing a polymeric stabilizer (C), a polymeric stabilizer (C) and a process for producing paper.Type: GrantFiled: December 22, 2005Date of Patent: October 30, 2012Assignees: Akzo Nobel N.V., Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.Inventors: Mathias Hahn, Werner Jaeger, André Laschewsky, Bernd Paulke, Christian Przybyla, Achim Sieger
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Patent number: 8293867Abstract: The present invention provides a simple, non-destructive and versatile method that enables layer-by-layer (LbL) assembly to be performed on virtually any substrate. A catechol-functionalized polymer which adsorbs to virtually all surfaces and can serve as a platform for LbL assembly in a surface-independent fashion is also provided.Type: GrantFiled: November 10, 2008Date of Patent: October 23, 2012Assignee: Northwestern UniversityInventors: Phillip B. Messersmith, Haeshin Lee, Yuhan Lee, Zhongqiang Liu, Lesley Hamming
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Publication number: 20120264888Abstract: A process for producing an acylated vinylamine-containing polymer is disclosed. The acylated vinylamine-containing polymer is produced by reacting a vinylamine-containing polymer with at least one acylating agent.Type: ApplicationFiled: April 13, 2012Publication date: October 18, 2012Applicant: HERCULES INCORPORATEDInventors: Qu-Ming GU, Jonathan M. McKay
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Patent number: 8263712Abstract: In a process for producing a functionalized polyalkenamer, at least one monomer comprising a monocyclic olefin having at least one pendant alkyl group bonded thereto, wherein the pendant alkyl group has at least two carbon atoms and is substituted with a polar moiety spaced by at least one carbon atom from the monocyclic olefin, is contacted with a polymerization catalyst under conditions effective to effect ring opening polymerization of the monocyclic olefin and produce the functionalized polyalkenamer.Type: GrantFiled: September 2, 2008Date of Patent: September 11, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Lisa Saunders Baugh, Enock Berluche, Karla Schall Colle
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Patent number: 8252715Abstract: To provide a water absorbing agent which is excellent in balance between absorbency and liquid permeability against pressure and is excellent in flowability at the time of moisture absorption. The water absorbing agent comprises water absorbent resin particles and an organic surface additive, wherein: the organic surface additive having (i) a reactive group for a functional group of a surface of each water absorbent resin particle and (ii) a hydrophobic group exists on the surface of the water absorbent resin particle, and the hydrophobic group has a hydrocarbon group whose carbon number is 8 or more, and a ratio of an oxyalkylene group in a molecular mass of the organic surface additive is 0 or more and 25 mass % or less.Type: GrantFiled: March 3, 2008Date of Patent: August 28, 2012Assignee: Nippon Shokubai Co., Ltd.Inventors: Kazushi Torii, Yoshifumi Adachi, Taishi Kobayashi, Yusuke Watanabe, Hiroyuki Ikeuchi, Toshimasa Kitayama
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Patent number: 8247500Abstract: A polymeric resin comprising guanidine groups having at least one C4-C22 tertiary alkyl substituent.Type: GrantFiled: February 3, 2009Date of Patent: August 21, 2012Assignee: Rohm and Haas CompanyInventors: Rajiv Manohar Banavali, Alfred Karl Schultz
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Patent number: 8242215Abstract: A cationic copolymers of acrylamide obtained by the Hofmann rearrangement, using an alkali and/or alkaline earth hydroxide and an alkali and/or alkaline earth hypohalide, are provided. The copolymers can be used as strengthening agents for paper and/or coagulants. The copolymers have a desalination coefficient (Cd) higher than 0.6, higher than 0.65, or higher than 0.7.Type: GrantFiled: February 19, 2008Date of Patent: August 14, 2012Assignee: S.P.C.M. SAInventors: René Hund, Christian Jehn-Rendu
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Patent number: 8227555Abstract: The present invention is directed to conjugates of hydrolytically stabilized maleimide-functionalized water soluble polymers and to methods for making and utilizing such polymers and their precursors.Type: GrantFiled: December 23, 2011Date of Patent: July 24, 2012Assignee: Nektar TherapeuticsInventors: Antoni Kozlowski, Remy F. Gross, III, Samuel P. McManus
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Patent number: 8211984Abstract: Provided are a ring-opening metathesis polymer and a hydrogenated product thereof that are useful as materials for an optical component, and a method for preparation thereof. The present invention relates to a ring-opening metathesis polymer comprising at least repeating structural units [A] represented by the following General Formula [1] and repeating structural units [B] represented by the following General Formula [2] at a constitutional molar ratio [A]/[B] of 0.1/99.9 to 100/0. The present invention relates to a ring-opening metathesis polymer comprising at least repeating structural units [A] represented by the following General Formula [1] and repeating structural units [B] represented by the following General Formula [2] at a constitutional molar ratio [A]/[B] of 0.1/99.9 to 100/0.Type: GrantFiled: January 17, 2007Date of Patent: July 3, 2012Assignee: Mitsui Chemicals, Inc.Inventors: Tadahiro Sunaga, Yuichi Okawa, Takashi Ochiai, Keiichi Ikeda
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Publication number: 20120152544Abstract: Disclosed herein is a well treatment fluid comprising an aqueous solution comprising greater than or equal to about 1 wt % boron, at least 5 wt % of a co-solvent, and greater than or equal to about 5 wt % sodium hydroxide, potassium hydroxide, or a combination thereof, wherein the co-solvent comprises glycerol, ethylene glycol, propylene glycol, or a combination thereof. Methods of using the well treatment fluid are also disclosed.Type: ApplicationFiled: December 7, 2011Publication date: June 21, 2012Inventors: Michael D. Parris, Li Jiang, Don Williamson
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Publication number: 20120156176Abstract: Provided are novel biocompatible copolymers and compositions comprising the copolymers. The copolymers are non-toxic and typically have an LCST below 37° C. Compositions comprising the copolymers can be used for wound treatment, as a cellular growth matrix or niche and for injection into cardiac tissue to repair and mechanically support damaged tissue. The copolymers comprise numerous ester linkages so that the copolymers are erodeable in situ. Degradation products of the copolymers are soluble and non-toxic. The copolymers can be amine-reactive so that they can conjugate with proteins, such as collagen. Active ingredients, such as drugs, can be incorporated into compositions comprising the copolymers.Type: ApplicationFiled: April 30, 2010Publication date: June 21, 2012Applicant: University of Pittsburgh-Of the Commonwealth SysteInventors: Kazuro Lee Fujimoto, Zuwei Ma, Jianjun Guan, William R. Wagner
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Publication number: 20120128556Abstract: The oxine ligands 5-chloro-8-hydroxyquiniline and 5-sulfoxyl-8-hydroxyquinoline are covalently bound, using, for example, the Mannich reaction, to a silica gel polyamine composite made from a silanized amorphous silica xerogel and polyallylamine. The resulting modified composites, termed CB-1 (X?Cl) and SB-1 (X?SO3H), respectively, show a clear selectivity for trivalent over divalent ions and selectivity for gallium over aluminum. The compounds of the invention can be applied for the sequestration of metals, such as heavy metals, from contaminated mine tailing leachates.Type: ApplicationFiled: October 13, 2011Publication date: May 24, 2012Inventors: Edward Rosenberg, Paul Miranda, Yuen Onn Wong
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Publication number: 20120114947Abstract: The invention describes novel polymer-functionalized carbon nanotubes. These comprise a carbon nanotube, a first polymer that is adsorbed on the outer surface of a carbon nanotube and comprises amino groups, and a second polymer covalently bonded to the first polymer. The bond between the second polymer and the first polymer is formed by the reaction of amino groups from the first polymer with groups from the second polymer that are reactive with respect to amino groups. The invention further relates to a method for the production thereof, wherein carbon nanotubes are provided in an aqueous solution of a first polymer comprising amino groups and then a solution of a second polymer comprising groups that are reactive with respect to amino groups is added. The invention also relates to the use of the carbon nanotubes in dispersions, polymers and surface coatings.Type: ApplicationFiled: March 26, 2010Publication date: May 10, 2012Inventors: Werner Jenninger, Joachim Wagner, Helmut Meyer, Stephanie Vogel, Stefan Spange, Doreen Piasta, Bernd Grünler, Andreas Heft, Frank Simon
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Publication number: 20120101230Abstract: A method for providing high-density polymer surface for attaching proteins or peptides, and binding proteins, peptides, DNAs, cells, small molecules, and other chemical or biological molecules that are of interests in the areas of proteomic, genomic, pharmaceutical, drug discovery, and diagnostic studies.Type: ApplicationFiled: February 5, 2009Publication date: April 26, 2012Inventors: Guobin (Frank) Wang, Lance Laing
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Publication number: 20120076711Abstract: A structure is disclosed containing a sorbent with amine groups that is capable of a reversible adsorption and desorption cycle for capturing CO2 from a gas mixture wherein said structure is composed of fiber filaments wherein the fiber material is carbon and/or polyacrylonitrile.Type: ApplicationFiled: February 8, 2010Publication date: March 29, 2012Applicant: ETH ZURICHInventors: Christoph Gebald, Jan André Wurzbacher, Aldo Steinfeld
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Publication number: 20120046184Abstract: Provided herein is a method for the isolation or removal of a cellular component from a cell that comprises the steps of applying a pulse of nanoparticles to the cell, allowing the nanoparticles to traffic through the cell for a period of time sufficient to allow the nanoparticles locate to and interact with the cellular component to be isolated, and separation of the nanoparticles and isolated cellular component from the cell.Type: ApplicationFiled: February 26, 2010Publication date: February 23, 2012Applicant: UNIVERSITY COLLEGE DUBLIN, NATIONAL UNIVERSITY OF IRELAND, DUBLINInventors: Kenneth Dawson, Iseult Lynch, Martin Lundqvist, Tommy Cedervall
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Publication number: 20120035316Abstract: Process for preparing a macromonomer using free radical-initiated aqueous emulsion polymerisation in a polymerisation reactor of at least one olefinically unsaturated monomer, which process employs a hydrophobic Co chelate complex as a CTA, a stabilising substance(s) for the emulsion polymerisation process and a monomer feed stage MF; wherein an aqueous pre-emulsified mixture A, comprising at least part of the Co chelate(s) employed, at least part of the stabilising substance(s) employed, and (i) a non-polymerisable organic solvent(s) and/or (ii) a polymerisable monomer(s) in unpolymerised or at least partially polymerised form, is contacted in the reactor with monomer(s) of feed stage MF at the beginning of and/or during the course of feed stage MF; and wherein in mixture A the weight ratio of (i) and/or (ii) to the stabilising substance(s) is in the range of from 10/1 to 1/10.Type: ApplicationFiled: October 18, 2011Publication date: February 9, 2012Applicant: DSM IP Assets B.V.Inventors: Saskia Carolien VAN DER SLOT, Tijs Nabuurs, Alfred Jean Paul BÜCKMANN, Gerardus Cornelis Overbeek
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Patent number: 8106131Abstract: The present invention is directed to hydrolytically stabilized maleimide-functionalized water soluble polymers and to methods for making and utilizing such polymers and their precursors.Type: GrantFiled: August 26, 2008Date of Patent: January 31, 2012Assignee: Nektar TherapeuticsInventors: Antoni Kozlowski, Remy F. Gross, III, Samuel P. McManus
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Patent number: 8097343Abstract: The present invention describes compositions and methods for trapping/capturing and/or destroying dangerous substances such as chemical and biological warfare agents. The present invention relates to dendritic polymers, specifically, to quaternary ammonium functionalized dendritic polymers and N-Halamine functionalized dendritic polymers. Such dendrimers are useful for the capture and neutralization of biological and chemical warfare agents.Type: GrantFiled: June 12, 2006Date of Patent: January 17, 2012Assignees: Triton Systems, Inc., DSM IP Assets B.V.Inventors: Khaled Mahmud, Lawino Kagumba, Franciscus Johannes Marie Derks
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Publication number: 20110257340Abstract: A process for producing water-absorbing polymer particles by polymerizing a monomer solution or suspension comprising an ethylenically unsaturated monomer bearing acid groups, an ethylenically unsaturated monomer, a crosslinker and an initiator.Type: ApplicationFiled: April 18, 2011Publication date: October 20, 2011Applicant: BASF SEInventors: Norbert Herfert, Thomas Daniel, Thomas Gieger
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Patent number: 8030413Abstract: Synthesis methods for creating polymeric compounds comprising dihydroxyphenyl derivatives (DHPD), or DHPp i.e. polymers modified with DHPD, with desired surface active effects are described. The polymer backbone of DHPp has structural or performance features that can be tailored to control physical properties of DHPp, allowing it to be useful for different applications i.e. tissue adhesives or sealants, adhesion promoting coatings, and antifouling coatings.Type: GrantFiled: November 23, 2009Date of Patent: October 4, 2011Assignee: KNC Ner Acquisition Sub, Inc.Inventor: Bruce P. Lee
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Publication number: 20110216392Abstract: The present invention relates to the preparation and use of (colored) organic particles carrying electric charge as electrophoretic (image) displaying particles, to electrophoretic dispersions comprising the organic particles carrying electric charge, electrophoretic (image) devices (especially displays) comprising the colored organic particles carrying electric charge, to the novel functionalized particles, and to their use. The particles are obtainable according to a method represented by the reaction scheme as given in FIG. 1.Type: ApplicationFiled: June 25, 2007Publication date: September 8, 2011Inventors: Gabriele Baisch, Reinhold Öhrlein, Peter Simmendinger, Gerardus De Keyzer, Margherita Fontana, Vilas N. Mumbaikar
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Publication number: 20110213094Abstract: The invention relates to anionically modified copolymers that can be obtained by the polymerisation of the monomers (A), (B) and (C), obtaining non-ionic polymers containing reactive terminal OH groups, and by subsequent conversion of the terminal OH groups to form anionic end groups, (A) being a monomer of formula (I) wherein A is C2-C4 alkylene and B is a C2-C4alkylene different from A, k corresponds to the number 0 or 1, m is a number between 0 and 500, preferably between 0 and 50, n is a number between 0 and 500, preferably between 0 and 50, the sum of m+n being equal to between 1 and 1000; (B) contains an ethylenically unsaturated monomer containing an aromatic group; and (C) is an ethylenically unsaturated monomer containing an alkyl radical.Type: ApplicationFiled: July 23, 2008Publication date: September 1, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle
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Publication number: 20110201760Abstract: A method for drying a material such as a polymer hydrogel which passes through a cohesive phase as it dries is disclosed. The method comprises agitating a composition while removing liquid until the solids content of the composition reaches a level at which the composition enters a cohesive phase, halting agitation, removing liquid from the composition in the absence of agitation, and resuming agitation. Practice of the present invention can eliminate the problems associated with adhesion of a material to itself and to process equipment during the cohesive phase.Type: ApplicationFiled: December 14, 2010Publication date: August 18, 2011Inventor: Gary S. Rea
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Patent number: 7994258Abstract: There is provided a hyperbranched polymer having a nitroxyl group. A hyperbranched polymer comprising at least one organic radical structure (nitroxyl group) of Formula (1), Formula (2) or Formula (3): and having a weight average molecular weight measured by gel permeation chromatography in a converted molecular weight as polystyrene of 500 to 5,000,000.Type: GrantFiled: October 23, 2008Date of Patent: August 9, 2011Assignees: Nissan Chemical Industries, Ltd., Kyushu UniversityInventors: Noboru Koga, Satoru Karasawa, Hiroyuki Hayashi, Akihiro Tanaka, Keisuke Odoi
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Patent number: 7977434Abstract: The present invention relates to a polymer for use as a bleach activator, comprising the monomer units where n is an integer from 1 to 4 and R is a branched or unbranched, saturated hydrocarbyl radical having from 1 to 20 carbon atoms, to processes for the preparation and to the use thereof as laundry detergents, cleaning compositions and disinfectant compositions, and also in textile bleaching and paper bleaching.Type: GrantFiled: January 25, 2006Date of Patent: July 12, 2011Assignee: BASF AktiengesellschaftInventors: Frank Dietsche, Alfred Oftring
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Patent number: 7968650Abstract: The present invention relates to compositions comprising a polymeric substrate comprising at least one volume excluding polymer. In one embodiment, the present invention provides polymeric articles that are capable of acting as osmotic drivers. The articles are capable of maintaining a desired water balance by moving water in or out of a substrate to maintain cation concentration equilibrium between the substrate and its environment.Type: GrantFiled: October 26, 2007Date of Patent: June 28, 2011Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Brian J. Tighe, Muriel Nasso, Beverley Benning, Frank F. Molock, Jr.
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Publication number: 20110152464Abstract: The present invention relates to a pipecolic linker and its use as a solid-phase linker in organic synthesis. Said pipecolic solid-phase linker may be used for coupling functional groups chosen between primary amines, secondary amines, aromatic amines, alcohols, phenols and thiols. In particular, said pipecolic solid-phase linker may be used for peptide or pseudopeptide synthesis, such as the reverse N to C peptide synthesis or the retro-inverso peptide synthesis, or for the synthesis of small organic molecules.Type: ApplicationFiled: August 28, 2009Publication date: June 23, 2011Applicant: UNIVERSITE DE MONTPELLIER IInventors: Jean Martinez, Pawel Zajdel, Maciej Pawlowski, Gilles Subra
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Patent number: 7964669Abstract: A thermosetting resin comprising a reacted A) first partially crosslinked glyoxalated polymer comprising a reacted (i) first polyacrylamide backbone and (ii) a first glyoxal component; and B) a second crosslinked glyoxalated polymer comprising a reacted (i) second polyacrylamide backbone and (ii) a second glyoxyal component; such that the first polyacrylamide backbone has a molecular weight that is less than the molecular weight of the second polyacrylamide backbone; and the first polyacrylamide backbone and the second polyacrylamide backbone have a weight ratio ranging from 75:25 to 95:5. Methods for making and using the resin. Fibrous substrates made with the resin.Type: GrantFiled: April 2, 2010Date of Patent: June 21, 2011Assignee: Kemira OyjInventors: Robert Joseph Proverb, Lucyna M. Pawlowska
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Patent number: 7935771Abstract: There is provided a polymer including a unit represented by Chemical Formula (1): wherein R represents -A1-SO2R1; R1w and R1x are each independently a halogen atom or a hydrogen atom; R1y is a CH3 group, a halogen atom or a hydrogen atom; A01 is a substituted or unsubstituted aromatic ring structure or a substituted or unsubstituted heterocyclic structure; A1 is a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure or a substituted or unsubstituted heterocyclic structure; R1 is OH, a halogen atom, ONa, OK or OR1a; R1a is a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure or a substituted or unsubstituted heterocyclic structure.Type: GrantFiled: November 10, 2006Date of Patent: May 3, 2011Assignee: Canon Kabushiki KaishaInventors: Tatsuki Fukui, Akiko Tominaga, Takashi Kenmoku, Masato Minami, Tetsuya Yano, Takeshi Ikeda, Atsushi Tani, Norikazu Fujimoto
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Patent number: 7935757Abstract: A process is described for making an aqueous coating composition comprising a cationic vinyl oligomer comprising the following steps: I. preparation of a cationic vinyl oligomer by solution or bulk polymerization of components: i) 2 to 50 wt % of vinyl monomers bearing amine functional groups selected from the group consisting of non-ionic amine functional groups (a), permanent quaternary ammonium functional groups (b), neutralized amine functional groups (c) and mixtures thereof; and ii) 20 to 98 wt % of Ci to Ci8 alkyl (meth)acrylates; and II. dispersion of the cationic vinyl oligomer in an aqueous medium and neutralization of non-ionic amine functional groups.Type: GrantFiled: June 24, 2008Date of Patent: May 3, 2011Assignee: DSM IP Assets B.V.Inventors: Jurgen Scheerder, Emilio Martin, Gerardus Cornelis Overbeek
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Publication number: 20110098416Abstract: A process for continuous thermal postcrosslinking of water-absorbing polymer particles, wherein the postcrosslinker is applied to the water-absorbing polymer particles by means of suitable nozzles and the nozzles are exchanged or cleaned via the interior of a glovebox adjoining the plant section comprising the nozzle.Type: ApplicationFiled: June 10, 2009Publication date: April 28, 2011Inventors: Oskar Stephan, Karl J. Possemiers, Ann Becker, Leo Van Miert, Ronny De Kaey