Patents Examined by Helen L. Pezzuto
  • Patent number: 7847044
    Abstract: Method of producing copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of an initiator, where the polymerization is carried out under a gauge pressure such that evaporation of the components is avoided.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: December 7, 2010
    Assignee: BASF SE
    Inventors: Rainer Dobrawa, Ralf Widmaier, Eberhard Schupp, Klaus Schnell, Karl-Hermann Strube, Ulrich Filges, Jürgen Nieberle, Josef Neutzner, Reinhold Dieing, Andreas Gruber, Wolfgang Bouquet
  • Patent number: 7846982
    Abstract: The present invention relates to a proton-conducting electrolyte membrane obtainable by a process comprising the steps: A) swelling a polymer film with a liquid comprising a vinyl-containing sulphonic acid and B) polymerising the vinyl-containing sulphonic acid present in liquid introduced in step A). A membrane according to the invention is very versatile on account of its excellent chemical and thermal properties and may be used, in particular, as a polymer electrolyte membrane (PEM) in what are known as PEM fuel cells.
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: December 7, 2010
    Assignee: Pemeas GmbH
    Inventors: Joachim Kiefer, Oemer Uensal, Gordon Calundann, James Crivello
  • Patent number: 7847047
    Abstract: A material which expresses its critical solution temperature even in an aqueous solution containing a buffer or salt, and at the same time, shows small variation width of the critical solution temperature even when concentration of salt or the like contained in water, a buffer liquid or the like is different, interacts with a substance such as a component in the living body and can therefore be used efficiently in the isolation of substances, is provided. A monomer represented by a formula (1) and a thermoresponsive polymer which contains said monomer as a polymerization component.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: December 7, 2010
    Assignee: Chisso Corporation
    Inventors: Hirokazu Nagaoka, Noriyuki Ohnishi, Masaru Eguchi
  • Patent number: 7846983
    Abstract: The present invention concerns a proton-conducting electrolyte membrane obtainable by a method comprising the following steps: A) expanding a polymer film with a liquid that contains a vinyl-containing phosphonic acid, and B) polymerisation of the vinyl-containing phosphonic acid present in the liquid introduced in step A). An inventive membrane, thanks to its exceptional chemical and thermal properties, is very versatile in its use and is particularly suitable as a polymer-electrolyte-membrane (PEM) in so-called PEM fuel cells.
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: December 7, 2010
    Assignee: BASF Fuel Cell GmbH
    Inventors: Joachim Kiefer, Oemer Uensal
  • Patent number: 7838687
    Abstract: The present invention provides a monomer comprising the structure: wherein R1 and/or R1? are selected from the group consisting of MeO, EtO, COF3, SO4H, SO3?, SO3H, H, CHNO4S2F3, C5H4N2O6S2F6, C10H10N4S2, CH3, n-Bu, Cl, NH2, EtN, Br, alkyl, ether, ester, sulfonate, ammonium, carboxylate, phosphonate and any combination thereof, R2 and/or R2?, are selected from the group consisting of EtO, SO3H, H, C10H10N4S2, CH3, Cl, C6H14N2S and any combination thereof, R3 and/or R3? are selected from the group consisting of CH3, Cl, H and any combination thereof, and R4 and/or R4? are selected from the group consisting of CH3, H, C2H5, C4H9, C6H5, C8H17, C2H5S, C3H7S, C4H8Br, C10H23N, C20H21N2, C18H25N2, C21H23N2, C31H29N2O2, C22H25N4, C20H25N2, C3H7OS, and any combination thereof.
    Type: Grant
    Filed: August 29, 2006
    Date of Patent: November 23, 2010
    Assignee: Brown University
    Inventors: G. Tayhas R. Palmore, Jiangfeng Fei, Hyun-Kon Song
  • Patent number: 7834079
    Abstract: Disclose is a water soluble anionic polymer dispersion containing a radical copolymer created in water salt which includes anionic monomer, non-ionic monomer, ionic dispersant and radical polymerization initiator, and anionic surfactant or non-ionic surfactant. Also disclosed is a water soluble anionic polymer dispersion is characterized by containment of radical copolymer created in salt water which includes anionic monomer, non-ionic monomer, ionic dispersant, and radical polymerization initiator, and anionic surfactant, and non-ionic surfactant. Manufacturing methods for the water soluble anionic polymer dispersions are further disclosed herein.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: November 16, 2010
    Assignees: Green Technology, Inc., Taki Chemical Co., Ltd.
    Inventors: Sung Wook Han, Seung Chul Lee
  • Patent number: 7834114
    Abstract: Disclosed is a polycyclic ester containing a cyano group and a lactone skeleton, represented by following Formula (1): wherein Ra represents, for example, a hydrogen atom or an alkyl group having one to six carbon atoms which may have a halogen atom; R1s each represent, for example, a halogen atom or an alkyl or haloalkyl group having one to six carbon atoms; “m” is the number of R1s; “n” is the number of cyano groups; and CH2?C(Ra)COO— group may have either of an endo conformation and an exo conformation. Accordingly, there is provided a novel polycyclic ester containing a cyano group and a lactone skeleton which is useful typically as a monomeric component for highly functional polymers. A polymer, for example, derived from this compound is highly soluble in an organic solvent while remaining stable typically to chemicals and exhibits improved hydrolyzability and/or improved solubility in water after hydrolysis.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: November 16, 2010
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Keizo Inoue, Takahiro Iwahama, Masamichi Nishimura, Kiyoharu Tsutsumi
  • Patent number: 7833585
    Abstract: A hyperbranched polymer having pendent olefinic groups and comprising polymer units derived from one or more terminally-unsaturated, acyclic aliphatic diene and polymer units derived from maleic anhydride. Optionally, the hyperbranched polymer may further comprise polymer units derived from one or more 1-alkenes and/or a chain transfer agent. A process to prepare the hyperbranched polymer comprises contacting maleic anhydride with at least one terminally unsaturated acyclic aliphatic diene having at least 7 carbon atoms in the presence of an effective amount of a radical initiator in an aprotic solvent under dilute conditions.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: November 16, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Stephen Ernest Jacobson, Patricia Metzger Cotts
  • Patent number: 7829644
    Abstract: 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: Grant
    Filed: October 18, 2006
    Date of Patent: November 9, 2010
    Assignee: UChicago Argonne, LLC
    Inventors: Julia Golova, Boris Chernov, Alexander Perov
  • Patent number: 7820416
    Abstract: In a method for producing an amide compound of the present invention including obtaining an amide compound from a nitrile compound using a microbial catalyst and transferring a solution containing the microbial catalyst and the amide compound, a positive-displacement pump is used for transferring the solution containing a microbial catalyst and an amide compound to obtain an amide compound having few impurities. A monomer including (meth)acrylamide obtained by the method for producing an amide compound is polymerized to prepare an acrylamide polymer having a high-molecular mass and high solubility and being colorless.
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: October 26, 2010
    Assignee: Dia-Nitrix Co., Ltd.
    Inventors: Katsuo Ishii, Kozo Murao
  • Patent number: 7816460
    Abstract: The present invention relates to compositions comprising poly-HEMA having a peak molecular weight between about 25,000 and about 100,000, preferably between 25,000 and 80,000 and a polydispersity of less than about 2 to less than about 3.8 respectively and covalently bonded thereon, at least one cross-linkable functional group. The present invention further relates to low polydispersity poly-HEMA suitable for making the crosslinkable prepolymers, processes for functionalizing and purifying said poly-HEMA to form said crosslinkable prepolymers, viscous solutions made from said crosslinkable prepolymers, hydrogels made from said viscous solutions and articles made from said crosslinkable polymers, hydrogels and viscous solutions.
    Type: Grant
    Filed: July 6, 2007
    Date of Patent: October 19, 2010
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Ture Kindt-Larsen, Per Wolff, Jens-Erik Sorensen, Frederik Resen Steenstrup, Helene Rossignol, Frank F. Molock
  • Patent number: 7816475
    Abstract: An aminoalkoxystyrene represented by the formula (1) wherein R1 and R2 are C1-4 alkyl and n is 3-6. The aminoalkoxystyrene is prepared by reacting an aminoalkoxyphenylmagnesium halide with vinyl halide in the presence of a catalyst. A quaternized amino group-containing polymer made by quaternizing the amino groups of a polymer prepared from the aminoalkoxystyrene is useful as an anion exchanger.
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: October 19, 2010
    Assignee: Tosoh Corporation
    Inventors: Takashi Yamamoto, Shin-ichi Ishikawa, Yasuhiro Oda, Hisao Eguchi
  • Patent number: 7816471
    Abstract: Process for producing photoresist polymeric compound having repeated units corresponding to at least one monomer selected from monomer (a) having lactone skeleton, monomer (b) having group which becomes soluble in alkali by elimination with acid, and monomer (c) having alicyclic skeleton having hydroxyl group. Process includes (A) polymerizing mixture of monomers containing at least one monomer selected from the above monomers (a), (b), and (c), and (B) extracting polymer formed in the polymerization by using organic solvent and water to partition the formed polymer into organic solvent layer and metal component impurity into aqueous layer, or passing polymer solution, which contains polymer having repeated units corresponding to at least one of the above monomers (a), (b), and (c) and metal content of which is 1000 ppb by weight or less relative to the polymer through filter comprising porous polyolefin membrane having cation-exchange group.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: October 19, 2010
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Hitoshi Watanabe, Hidetaka Hayamizu, Masaaki Kishimura
  • Patent number: 7816005
    Abstract: A method for imparting resistance to staining to a substrate comprising contacting the substrate with a copolymer comprising the monomers of Formula wherein D is at least one vinyl monomer selected from the group consisting of aryl olefin, alpha olefin and diene, each M is independently H, Ca, Mg, Al, Na, or K, each R1 is independently H, C1-C6 alkyl, or C1-C6 hydroxyalkyl, each R2 is independently linear or branched C1-C12 alkyl, C1-C6 hydroxyalkyl, C6F5, arylalkyl, C6H4OH, R3COOH, or R3SO3H, or R1 and R2 are linked together to form a morpholino or pyrrolidino ring, R3 is linear or branched C1-C12 alkyl, CH(COOH)CH2CH2, C6H4, or C6H3(OH), h1+h2 is h, h is a positive integer, k is zero or a positive integer, i and j are each independently zero or a positive integer, provided that the total of 1) h÷(k+h+i+j) is from about 0.005 to about 0.7, 2) k÷(k+h+i+j) is from about 0.3 to about 0.6, 3) [i+j]÷(k+h+i+j) is 0 to about 0.6, and provided that the sum of 1)+2)+3) is 1.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: October 19, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Timothy Edward Hopkins, Stephen Ernest Jacobson, Melea Rena Langley, Peter Michael Murphy
  • Patent number: 7807766
    Abstract: 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: Grant
    Filed: September 8, 2006
    Date of Patent: October 5, 2010
    Assignee: Cognis IP Management GmbH
    Inventors: Thomas Albers, Wolfgang Denuell, Stephen Gross, Dirk Mampe, Florence Mazuel, Hans-Christian Raths, Christoph G Schunicht
  • Patent number: 7803877
    Abstract: The present invention relates to novel block polymers comprising at least one first block and at least one second block that are incompatible with each other, have different glass transition temperatures (Tg), and are linked together via an intermediate segment comprising at least one constituent monomer of the at least one first block and at least one constituent monomer of the at least one second block. The block polymer has a polydispersity index I of greater than 2. The invention also relates to cosmetic compositions comprising the block polymers and processes for their use.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: September 28, 2010
    Assignee: L'Oreal S.A.
    Inventors: Bertrand Lion, Nathalie Martin, Béatrice Toumi
  • Patent number: 7803879
    Abstract: An aqueous, formaldehyde-free binder composition comprising a modified copolymer of maleic anhydride and a vinyl aromatic compound such as styrene, the copolymer being modified by reaction with a primary alkanolamine, such as monoethanolamine (MEA), to produce a modified copolymer that is self-curing and cures as a consequence of cross-linking, esterification reactions between pendant carboxyls and hydroxyl groups on the solubilized (hydrolyzed) modified copolymer chains; the invention also relates to the corresponding method of using the binder composition for making fiber products, especially fiberglass insulation.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: September 28, 2010
    Assignee: Georgia-Pacific Chemicals LLC
    Inventors: Ramji Srinivasan, Kurt Gabrielson, John B. Hines, Cornel Hagiopol
  • Patent number: 7795354
    Abstract: An aqueous binder composition, useful for making fiber products, especially fiberglass insulation, comprising an aqueous substantially alkaline (pH of at least 5.0) solution of a polyol and a hydrolyzed (solubilized) copolymer of maleic anhydride and a vinyl aromatic compound, preferably styrene (i.e., a SMA copolymer); the copolymer is solubilized using ammonia, a secondary alkanolamine (preferably diethanolamine (DEA)), a tertiary alkanolamine (preferably triethanolamine (TEA)), or a mixture thereof and the binder composition is cured as a consequence of cross-linking, esterification reactions between pendant carboxyls on the solubilized (hydrolyzed) copolymer (SMA) chains and hydroxyl groups of the polyol, including the diethanolamine and/or triethanolamine preferably used in the solubilization of the SMA.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: September 14, 2010
    Assignee: Georgia-Pacific Chemicals LLC
    Inventors: Ramji Srinivasan, Kurt Gabrielson, John B. Hines, Cornel Hagiopol
  • Patent number: 7790822
    Abstract: A hyperbranched polymer having pendent olefinic groups and comprising polymer units derived from one or more terminally-unsaturated, acyclic aliphatic diene and polymer units derived from maleic anhydride. Optionally, the hyperbranched polymer may further comprise polymer units derived from one or more 1-alkenes and/or a chain transfer agent. A process to prepare the hyperbranched polymer comprises contacting maleic anhydride with at least one terminally unsaturated acyclic aliphatic diene having at least 7 carbon atoms in the presence of an effective amount of a radical initiator in an aprotic solvent under dilute conditions.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: September 7, 2010
    Inventors: Stephen Ernest Jacobson, Patricia Metzger Cotts
  • Patent number: 7786233
    Abstract: A polyvinylpyrrolidone powder composition including polyvinylpyrrolidone with a K value of not lower than 50 and not higher than 120, wherein a content of insoluble substances remaining on a membrane filter having a pore size of 1.2 ?m when a 2 wt % aqueous solution of the composition is filtered with the filter is not higher than 70 ppm; a polyvinylpyrrolidone powder composition including polyvinylpyrrolidone with a K value of not lower than 50 and not higher than 120, wherein a K value lowering ratio to be observed when the composition is heated at 80° C. in air for 14 days is not higher than 12%; and a polyvinylpyrrolidone powder composition including polyvinylpyrrolidone with a K value of not lower than 50 and not higher than 120, wherein a content of insoluble substances remaining on a membrane filter having a pore size of 1.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: August 31, 2010
    Assignee: Nippon Shokubai Co., Ltd.
    Inventor: Kazuhiro Okamura