Containing Hydroxyl Group Dnrm Patents (Class 524/761)
  • Patent number: 9102900
    Abstract: An inverse dispersion comprising i) at least one cationic polymer obtainable by the polymerization of a) at least one cationic monomer and optionally at least one nonionic monomer (compound A), b) optionally at least one crosslinker (compound B), c) optionally at least one chain transfer agent (compound C), ii) at least one stabilizing agent, wherein the stabilizing agent has one or more hydrophobic chains with more than 30 carbon atoms, iii) at least one non-aqueous carrier.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: August 11, 2015
    Assignee: BASF SE
    Inventors: Reinhold J. Leyrer, Ouidad Benlahmar, Volodymyr Boyko, Jules Mikhael, Frank Huelskoetter, Mark Robert Sivik, Travis Kyle Hodgdon, Jichun Shi
  • Patent number: 9090736
    Abstract: A radiation-curable rheological assistant which comprises a compound comprising at least one (meth)acrylate group and at least one urea group of the formula —NH—(CO)—NR1R2 connected thereto wherein R1 and R2 each independently of one another are hydrogen, alkyl, aryl, cycloalkyl or aralkyl, with the proviso that at least one of the radicals is other than hydrogen, a process for preparing the rheological assistant by reacting at least one compound which has at least one isocyanate-reactive group and at least one (meth)acrylate group with at least one di- or polyisocyanate, use of the rheological assistant in radiation-curable coating compositions, such radiation-curable coating compositions, and the use of such radiation-curable coating compositions.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: July 28, 2015
    Assignee: BASF SE
    Inventors: Reinhold Schwalm, Erich Beck
  • Patent number: 9023943
    Abstract: The present invention relates to the use of Styrenated Phenol Ethoxylates as surfactants in emulsion polymerization. The present invention further relates to the use of both anionic and nonionic Styrenated Phenol Ethoxylates in emulsion polymerization. Latexes with small average particle and narrow particle size distributions are obtained. Prepared latexes also have low coagulum levels and exhibit excellent mechanical and chemical stability.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: May 5, 2015
    Assignee: Ethox Chemicals LLC
    Inventors: Lawrence C. Davis, Edward R. Godwin, Charles V. Hinton, James T. Tanner
  • Publication number: 20150050501
    Abstract: An adhesive system for preparing lignocellulosic composites comprising a) an aqueous primer composition and, b) a polyurethane adhesive composition, wherein said aqueous primer composition comprises: from 0 to 25 wt. %, by weight of the composition, of polyol selected from the group consisting of water soluble polyols, water dispersible polyols, water emulsifiable polyols and mixtures thereof, wherein said polyols have a molecular weight less than 5000 daltons; and, up to 10 wt. %, by weight of the composition, of surfactant selected from the group consisting of water soluble surfactants, water emulsifiable surfactants and mixtures thereof, with the proviso that the aqueous primer composition must comprise at least one of said polyol or a surfactant having hydroxyl functionality and a molecular weight of less than 5000 daltons.
    Type: Application
    Filed: August 4, 2014
    Publication date: February 19, 2015
    Inventors: Frank Swiezkowski, Peter Dolan, Carlos Amen-Chen, Joseph Gabriel
  • Patent number: 8859656
    Abstract: Emulsions containing acrylic associative thickening agents which, when polymerized in the presence of particular polyglycerols, have a thickening power which is remarkably stable over time.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: October 14, 2014
    Assignee: Coatex
    Inventors: Jean-Marc Suau, Denis Ruhlmann
  • Patent number: 8822581
    Abstract: Polystyrene is dispersed into a polyol via a mechanical dispersion process. A stabilizer is present to stabilize the dispersed polymer particles. The stabilizer includes a copolymer of (1) from 10 to 70% by weight of a branched polyol which has a molecular weight of from 4000 to 20,000, from 0.2 to about 1.2 polymerizable ethylenically unsaturated groups per molecule and from about 3 to about 8 hydroxyl groups per molecule with (2) from 30 to 90% by weight of styrene or a mixture of styrene and one or more other low molecular weight monomers.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: September 2, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Hanno R. Van der Wal, Ronald Wevers, Freddy Van Damme, Francois M. Casati, Georges Kanaan, Fernand Pla, Sandrine Hoppe, Bart Noordover, Christian Fonteix
  • Patent number: 8790693
    Abstract: The present invention relates to a process for preparing an aqueous polymer dispersion by free-radical emulsion polymerization of a monomer mixture which comprises N,N-diethylaminoethyl methacrylate, to the polymer dispersion obtainable by this process, and to the use thereof.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: July 29, 2014
    Assignee: BASF SE
    Inventors: Maximilian Angel, Karl Kolter, Hartwig Voβ
  • Patent number: 8772405
    Abstract: A polymer polyol (I) is provided that is formed of a polyol (A), polymer particles (B) obtained by polymerization of an ethylenically unsaturated compound (b), and an active-hydrogen-containing compound (d) having an aromatic ring and having a number-average molecular weight of 150 to 2,000, wherein a content of (d) is 1 to 20% on the basis of a weight of (B). The polymer polyol of the present invention contains polymer particles having sufficiently small particle diameters, has a low viscosity, and has excellent handleability. A polyurethane resin obtained by using the polymer polyol of the present invention has excellent mechanical strengths such as elongation at break.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: July 8, 2014
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Takayuki Tsuji, Shigekuni Nakada, Yukiya Kobayashi, Katsuya Uchida
  • Publication number: 20140058037
    Abstract: A polymeric stabilizer is produced by copolymerizing an unsaturated polyether with an unsaturated low molecular weight monomer in a controlled radical polymerization. The polymeric stabilizer is useful for producing polymer polyol products via a mechanical dispersion process or an in situ polymerization process.
    Type: Application
    Filed: April 22, 2012
    Publication date: February 27, 2014
    Inventors: Lionel Petton, Hanno R. Van der Wal, Freddy Van Damme, Edwin Mes, Fillip E. Du Prez, Sam Verbrugghe, Jean-Paul Masy
  • Publication number: 20130324663
    Abstract: A composition for forming a cast nylon part comprising a base caprolactam mixture and at least one of a first additive comprising acetylene carbon black; a second additive comprising at least one of nonyl phenol ethoxylate, silicon oil, and at least one nonionic surfactant having a viscosity similar to that of nonyl phenol ethoxylate; a third additive comprising silicon dioxide; and a fourth additive comprising intercalated expandable graphite.
    Type: Application
    Filed: March 7, 2013
    Publication date: December 5, 2013
    Applicant: Advanced Nylons PTY. LTD.
    Inventor: Wilbur Cook
  • Publication number: 20130153830
    Abstract: Porous materials are fabricated using interpenetrating inorganic-organic composite gels. A mixture or precursor solution including an inorganic gel precursor, an organic polymer gel precursor, and a solvent is treated to form an inorganic wet gel including the organic polymer gel precursor and the solvent. The inorganic wet gel is then treated to form a composite wet gel including an organic polymer network in the body of the inorganic wet gel, producing an interpenetrating inorganic-organic composite gel. The composite wet gel is dried to form a composite material including the organic polymer network and an inorganic network component. The composite material can be treated further to form a porous composite material, a porous polymer or polymer composite, a porous metal oxide, and other porous materials.
    Type: Application
    Filed: August 3, 2011
    Publication date: June 20, 2013
    Inventors: Dong-Kyun Seo, Alex Volosin
  • Publication number: 20130149543
    Abstract: To provide a water repellent composition which is capable of imparting sufficient water repellency and alcohol repellency to a hydrophobic substrate without significantly decreasing the antistatic property imparted to the hydrophobic substrate by an antistatic agent, and which presents a low environmental impact, its production method, a hydrophobic substrate treating agent composition and an article. A water repellent composition comprising a fluorinated copolymer having structural units based on a monomer (a) having a C1-6 polyfluoroalkyl group, structural units based on a monomer (b) having a C1-6 alkyl group and structural units based on a monomer (c) (halogenated olefin), and a medium, wherein the proportion of the structural units based on the monomer (a) is from 50 to 90 mass % of the structural units (100 mass %) based on all the monomers.
    Type: Application
    Filed: February 11, 2013
    Publication date: June 13, 2013
    Applicant: Asahi Glass Company, Limited
    Inventor: Asahi Glass Company, Limited
  • Publication number: 20130116368
    Abstract: Emulsions containing acrylic associative thickening agents which, when polymerized in the presence of particular polyglycerols, have a thickening power which is remarkably stable over time.
    Type: Application
    Filed: October 25, 2012
    Publication date: May 9, 2013
    Applicant: COATEX S.A.S.
    Inventor: COATEX S.A.S.
  • Patent number: 8278021
    Abstract: Disclosed is a method of producing a thin film transistor substrate having high light sensitivity, heat-resistance, impact resistance, and a photosensitive composition used by the same, the method including forming data wires on an insulating substrate, forming an organic insulating film on the data wires by applying a photosensitive composition comprising a terpolymer, where the terpolymer is derived from monomers of an unsaturated carboxylic acid, an unsaturated carboxylic acid anhydride, or a mixture thereof, an unsaturated epoxy group-containing compound, and an olefinic compound.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: October 2, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hoon Kang, Jae-sung Kim, Yang-ho Jung, Hi-kuk Lee
  • Publication number: 20120241667
    Abstract: A binder composition for electrodes with greater binding strength that does not inhibit the formation of a stable electrode interface (SEI) on the surface of an active substance is provided. The binder composition for electrodes includes at least one type of tetracarboxylic acid ester compound, at least one type of diamine compound, and an organic solvent. Furthermore, the organic solvent preferably has a boiling point that is 250° C. or less. In addition, the organic solvent preferably has a highest occupied molecular orbital (HOMO) that is ?10 eV or less.
    Type: Application
    Filed: December 8, 2009
    Publication date: September 27, 2012
    Applicant: I.S.T. Corporation
    Inventors: Koji Moriuchi, Yasuaki Takeda
  • Publication number: 20120101188
    Abstract: The invention relates to a coating composition comprising: A) at least one thiol-functional compound having at least one thiol group, B) at least one polyisocyanate cross-linking agent with at least one free isocyanate group and C) at least one catalyst compound, said catalyst compound comprising at least one catalyst for the curing reaction between the thiol groups of component A and the free isocyanate groups of component B, and at least one cyclodextrine.
    Type: Application
    Filed: April 29, 2010
    Publication date: April 26, 2012
    Applicant: E.I DU PONT DE NEMOURS AND COMPANY
    Inventors: Carmen Flosbach, Stefanie Matten, Katharina Dreger
  • Publication number: 20110033532
    Abstract: The present invention relates to a process for preparing an aqueous polymer dispersion by free-radical emulsion polymerization of a monomer mixture which comprises N,N-diethylaminoethyl methacrylate, to the polymer dispersion obtainable by this process, and to the use thereof.
    Type: Application
    Filed: August 1, 2008
    Publication date: February 10, 2011
    Applicant: BASF SE
    Inventors: Maximilian Angel, Karl Kolter, Hartwig Voss
  • Publication number: 20100204401
    Abstract: Disclosed are aliphatic polyester resins containing 2,2,4,4-tetramethyl-1,3-cyclo-butanediol and solvent borne, thermosetting coating compositions prepared therefrom. The aliphatic polyesters exhibit good hardness and flexibility when formulated into thermosetting coatings compositions.
    Type: Application
    Filed: February 6, 2009
    Publication date: August 12, 2010
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Stacey James Marsh, Angela Hartley Honeycutt
  • Publication number: 20090286931
    Abstract: An aqueous dispersion is prepared by subjecting (meth)acrylate containing a polyfluoroalkyl group and a polymerizable monomer containing no fluorine atom to an emulsification treatment in the presence of a surfactant and a polypropyleneglycol-based compound having a molecular weight of 250 to 5,000, followed by copolymerization reaction in the presence of a polymerization initiator. The resulting aqueous dispersion, even if prepared from (meth)acrylate copolymer containing mixed perfluoroalkyl groups including perfluoroalkyl groups having 12 or more carbon atoms as polyfluoroalkyl groups, has a distinguished emulsion stability and thus can be effectively used as a water and oil repellent, etc.
    Type: Application
    Filed: July 24, 2009
    Publication date: November 19, 2009
    Applicant: UNIMATEC CO.,LTD.
    Inventors: Toshimasa Sagawa, Haruyoshi Tatsu, Masayosi Horiuti
  • Publication number: 20090101205
    Abstract: The present invention pertains to a process for preparing a rubber precursor or a rubber composition comprising a modified inorganic oxygen-containing particulate material comprising the steps of: a) preparing a mixture of the modified inorganic oxygen-containing particulate material and a first solvent; and b1) adding the mixture to a rubber precursor comprising at least one polymer and optionally a second solvent; or b2) adding the mixture to a rubber composition comprising at least one monomer of a rubber precursor and optionally a second solvent, and polymerising the monomer(s) to form the rubber precursor; c) optionally cross-linking the rubber precursor in the presence of a cross-linking agent to form a rubber composition; and d) optionally removing the first and/or second solvents before, during or after any of the steps b1), b2), and c). The invention further pertains to rubber compositions comprising rubber and inorganic oxygen-containing particulate material modified with a coupling agent.
    Type: Application
    Filed: March 14, 2007
    Publication date: April 23, 2009
    Applicant: AKZO Nobel N.V. ,a corporation
    Inventors: Rudolf Anthonius Maria Venderbosch, Elwin Schomaker, Auke Gerardus Talma
  • Patent number: 7279523
    Abstract: A 2-cyanoacrylate-based composition comprises a coloring material that changes color with curing of 2-cyanoacrylate. The composition has good visibility and excellent workability as it is colored before curing, and changes color with curing as it becomes colorless or light-colored after curing, thereby providing bonded, filled or surface treated portions with good appearance.
    Type: Grant
    Filed: November 4, 2003
    Date of Patent: October 9, 2007
    Assignee: Toagosei Co., Ltd.
    Inventors: Yushi Ando, Yoshiharu Ohashi
  • Patent number: 6989414
    Abstract: An aqueous emulsion having excellent water resistant property and comprising a copolymer obtainable by polymerizing ethylene and vinyl ester, and a nonionic polyoxyalkylene surface active agent, wherein the nonionic polyoxyalkylene surface active agent comprises 1 to 10 parts by weight of polyoxyalkylene alkyl ether and 0.01 part by weight or less of polyoxyalkylene phenyl ether based on 100 parts by weight of vinyl ester units in the copolymer is provided.
    Type: Grant
    Filed: March 14, 2002
    Date of Patent: January 24, 2006
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tomoaki Sata, Tatsuo Mitsutake
  • Patent number: 6870001
    Abstract: An emulsifier mixture comprising an emulsifier I of the formula in which X is O, S, CH2, NH or NR7, one or two of the radicals R1 to R6 are a group SO3?K? and the remainder of R1 to R6 are H or a C1-C18 alkyl group, R7 is a C1-C18 alkyl group and K is a countercation, an emulsifier II of the formula R8—O—(Z?O)n—SO3?K? in which the variables have the following meanings: R8: C1-C18 alkyl Z: CH2—CH2 or n: an integer from 1 to 50 K: a cation, and a nonionic emulsifier III.
    Type: Grant
    Filed: April 18, 2002
    Date of Patent: March 22, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Dirk Wulff, Gerhard Auchter
  • Patent number: 6869994
    Abstract: A carboxyl group-containing polymer composition comprising 100 parts by weight of a carboxyl group-containing polymer (A) prepared by copolymerizing an ?,?-unsaturated carboxylic acid (a) with a compound (b) having at least two ethylenic unsaturated groups; and 0.01 to 20 parts by weight of at least one compound (B) selected from an ester (c) obtained from a polyhydric alcohol and a fatty acid, and an alkylene oxide adduct of an ester (d) obtained from a polyhydric alcohol and a fatty acid. Since the carboxyl group-containing polymer composition is excellent in the solubility in water and gives the aqueous solution excellent thickening property, the polymer composition can be suitably used as a thickener for various aqueous solutions.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: March 22, 2005
    Assignee: Sumitomo Seika Chemicals Co., Ltd.
    Inventors: Masato Fujikake, Shigeki Hamamoto, Tomoki Kawakita, Masatoyo Yoshinaka
  • Patent number: 6602940
    Abstract: A process for the preparation of an aqueous solution or dispersion containing a cationic polymer, which comprises the steps of: polymerizing a monomer including an N-vinyl-carboxylic acid amide represented by the general formula CH2═CHNHCOR, wherein R represents a hydrogen atom or methyl group, in an aqueous medium in the presence of either or both of a polyethylene glycol and polypropylene glycol; and then modifying the resulting polymer with an acid or base. Furthermore, an aqueous composition containing a cationic polymer, which comprises (A) a modified N-vinylcarboxylic acid amide polymer, (B) either or both of a polyethylene glycol and polypropylene glycol, and (C) water is disclosed.
    Type: Grant
    Filed: May 11, 1998
    Date of Patent: August 5, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shin-ichi Sato, Takahiro Oshida, Takashi Ono, Kiyoji Kuma, Yasuharu Mori, Atsuo Takeuchi
  • Patent number: 6495627
    Abstract: A conductive composition for a biological electrode is capable of reducing the impedance between the electrode and the skin. A conductive gel composition for a biological electrode which is capable of electrically and physically connecting a living body to an electrode element and is composed of at least the following components: (1) a radical-polymerizable unsaturated compound; (2) a moisturizer serving as a plasticizer and functioning to supplementing and promoting the physiological humidifying function of the horny layer; (3) a polymerization initiator; and (4) a crosslinking agent. This moisturizer serves also as a plasticizer and, furthermore, elevates the moisture content in the horny layer at the application of this composition. The above-mentioned composition may further contain a plasticizer selected from among polyhydric alcohols, amines and ethers.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: December 17, 2002
    Assignee: Nihon Kohden Corporation
    Inventors: Shin Suda, Tohru Kurata
  • Patent number: 6451892
    Abstract: A composition for preventing or retarding the formation of gas hydrates during the transport of a fluid comprising water and a hydrocarbon through a conduit. The composition is a homopolymer of vinyl caprolactam, or copolymers thereof, having a low molecular weight in the range of 500 to 2500, which is made in a polymerization solvent, preferably a glycol ether, most preferably 2-butoxyethanol and also including a carrier solvent, preferably monoethylene glycol.
    Type: Grant
    Filed: July 13, 1999
    Date of Patent: September 17, 2002
    Assignee: ISP Investments Inc.
    Inventors: Kirill N. Bakeev, Kevin Harris, Carl B. Argo, Michael A. Drzewinski, David E. Graham
  • Patent number: 6376588
    Abstract: Disclosed is a composition useful as a mold release agent, exhibiting viscosities, lubricities and melting points which cover a wide range and fit a variety of types of molding equipment, comprising: a) 5 to 40% by weight one or more water soluble copolymers of ethylene oxide and propylene oxide which are in liquid phase at ambient temperatures; b) 15 to 60% by weight a crystalline polyoxyalkylene having a melting point slightly above ambient; and c) 100 to 5000 ppm of one or more antioxidant additives.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: April 23, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventor: Edward Chung Yit Nieh
  • Patent number: 6319978
    Abstract: The present invention is directed to improved vinyl acetate ethylene pressure sensitive adhesive emulsion polymers. The improvement in the aqueous based, emulsion polymerized pressure sensitive adhesives resides in: a high ethylene content copolymer having a Tg of from −25 to −70° C.; a tensile storage modulus measured at one hertz and at a temperature of −20° C. embraced by the points on a plot of storage modulus and temperature of from 1 times 106 and the points 4 times 109 dynes/cm2 and less that 1 times 107 dynes/cm2 measured at 50° C.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: November 20, 2001
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Christian Leonard Daniels, Chung-Ling Mao, Richard Henry Bott, Menas Spyros Vratsanos
  • Publication number: 20010005736
    Abstract: The disclosed invention relates to isocyanate reactive systems which have an internal mold release agents having improved stability. The isocyanate reactive system includes (1) at least one compound containing a plurality of isocyanate-reactive groups and (2) an internal mold release system comprising (a) a carboxylic acid and (b) a compound selected from the group consisting of a fatty polyester, a fatty acid ester and a fatty amide, and a surfactant selected rom the group consisting of ethoxylated alcohols, propoxylated alcohols or blends thereof.
    Type: Application
    Filed: January 22, 2001
    Publication date: June 28, 2001
    Inventor: Andreas H. Rothacker
  • Patent number: 6103388
    Abstract: The use of up to about 20 parts by weight of an organic solvent selected from the group consisting of the water soluble polyalkylene glycol ethers in conventional waterborne packaging and converting adhesives provides comparable or better adhesive products with reduced environmental and health related problems.
    Type: Grant
    Filed: January 21, 1998
    Date of Patent: August 15, 2000
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Kristina Babcock, Joseph Wieczorek, Jr.
  • Patent number: 6025426
    Abstract: Hydrophilic cationic copolymers of acrylamide are prepared as dispersions in a salt media. These polymers have high molecular weights and are readily activated by diluting in water. These polymers are useful flocculants for such applications as sludge dewatering, raw water clarification aids, emulsion breakers and waste water clarification aids.
    Type: Grant
    Filed: December 18, 1995
    Date of Patent: February 15, 2000
    Assignee: Nalco Chemical Company
    Inventor: John R. Hurlock
  • Patent number: 5985989
    Abstract: Substances useful as water reducing and superplasticizer additives for cement compositions are formed by in situ polymerization of one or more ethylenically unsaturated acid monomers such as acrylic acid or maleic anhydride in a reaction medium comprising a polyether such as polypropylene glycol or a copolymer of ethylene oxide and propylene oxide to form a carboxylic acid polymer, followed by reaction of the polyether and carboxylic acid polymer. The composition and properties of the resulting additives may be readily varied as desired through the use of different acid monomers, polyethers, reaction conditions, reagent proportions and the like.
    Type: Grant
    Filed: July 9, 1997
    Date of Patent: November 16, 1999
    Assignee: ARCO Chemical Technology, LP
    Inventors: Edward T. Shawl, Xinhau Zhou
  • Patent number: 5962570
    Abstract: A process for the preparation of an aqueous solution or dispersion containing a cationic polymer, which comprises the steps of: polymerizing a monomer including an N-vinylcarboxylic acid amide represented by the general formula CH.sub.2 .dbd.CHNHCOR, wherein R represents a hydrogen atom or methyl group, in an aqueous medium in the presence of either or both of a polyethylene glycol and polypropylene glycol; and then modifying the resulting polymer with an acid or base. Furthermore, an aqueous composition containing a cationic polymer, which comprises (A) a modified N-vinylcarboxylic acid amide polymer, (B) either or both of a polyethylene glycol and polypropylene glycol, and (C) water is disclosed.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: October 5, 1999
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shin-ichi Sato, Takahiro Oshida, Takashi Ono, Kiyoji Kuma, Yasuharu Mori, Atsuo Takeuchi
  • Patent number: 5939478
    Abstract: The viscosity of a solvent is modified by thickening the solvent with a silicone latex. A silicone latex having a plurality of crosslinked polysiloxane particles is first prepared by mixing the siloxane polymer, a surfactant, and water; emulsifying the mixture to a gel phase; diluting the emulsion with water; adding a cure package (i.e., a catalyst, a crosslinker, or both, or a self catalytic crosslinker); and then without removing the water from the latex and after the particles of siloxane polymer in the latex have been cured, mixing the latex and solvent to thicken the solvent, forming viscous liquids, gels, and pastes. Water in the latex thickened solvent composition can be stabilized by adding a silicone polyether during mixing of the latex and the solvent.
    Type: Grant
    Filed: November 13, 1997
    Date of Patent: August 17, 1999
    Assignee: Dow Corning Corporation
    Inventors: James Anderson Beck, Vicky Sue Cobb, Cassie Emelia Cuthbert, Eric Jude Joffre, Virginia Kay O'Neil, Burt Michael Wrolson
  • Patent number: 5869570
    Abstract: A composition including polyalphaolefins that function as drag reducing agents and a process for the preparation of polyalphaolefins that function as drag reducing agents are disclosed. The process includes contacting alphaolefin monomers with catalyst particles in a polymerization mixture that includes a hydrocarbon solvent. The polymerization of the alphaolefin monomers produces polyalphaolefin drag reducing agents having an inherent viscosity of at least 10 dL/g. During polymerization of the polyalphaolcfin monomers, localized micelles compromising high molecular weight polyalphaolefin polymer are formed in micellar zones around the catalyst particles. The polymerization is conducted in the presence of a viscosity reducing agent that includes a substantially hydrophobic dispersant. The viscosity reducing agent is present in an amount sufficient to reduce the viscosity of the reaction mixture and disperse the localized micelles.
    Type: Grant
    Filed: March 19, 1996
    Date of Patent: February 9, 1999
    Assignee: Energy & Environmental International, L.C.
    Inventors: Gerald B. Eaton, Michael J. Monahan
  • Patent number: 5807609
    Abstract: At least one compound ##STR1## is added to mineral building materials modified with polymers in order to increase their adhesive power on foams based on polystyrene.
    Type: Grant
    Filed: July 26, 1995
    Date of Patent: September 15, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Pakusch, Maximillian Angel, Andree Dragon, Wilhelm Friedrich Beckerle, Helmut Teichmann
  • Patent number: 5773513
    Abstract: A waterborne coating composition comprising 5-70 weight percent solids of a curing agent and 30-95 weight percent solids of a hydroxy functional acrylic copolymer further comprising 20-70 weight percent of a vinyl aromatic, 0-40 weight percent of a hydroxy functional monomer, 0-70 weight percent of other polymerizable compounds, and 10-80 weight percent of a reaction product of a monoepoxyester and an unsaturated acid functional monomer wherein the copolymer is prepared via skew feed polymerization having a plurality of feed streams charged to a reactor and one feed stream contains 5-60 weight percent of the unsaturated acid functional monomer, 40-95 weight percent of the reaction product of a monoepoxyester and an unsaturated acid functional monomer, and 0-55 weight percent of the other polymerizable compounds.
    Type: Grant
    Filed: April 4, 1996
    Date of Patent: June 30, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Jozef Huybrechts, Kerstin Stranimaier
  • Patent number: 5698627
    Abstract: A novel additive for papermaking is disclosed. The additive comprises an aqueous solution of a copolymer obtained by reacting (a) an acrylamide, (b) a vinyl monomer which is copolymerizable with component (a) and has a cationic group, (c) at least one of vinyl monomers which are copolymerizable with component (a) and (b) and have 2, 3 or 4 carboxyl groups in a molecule thereof and/or a salt thereof, optionally (e) a nonionic monomer which is copolymerizable with components (a), (b) and (c) if desired, and (d) a cross-linking compound, in the presence of (f) at least one of ethylene glycol, diethylene glycol, diethanolamine and glycerin.This novel additive for papermaking is able to achieve excellent freeness and retention in the process of papermaking and provides paper with increased strength.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: December 16, 1997
    Assignee: Japan PMC Corporation
    Inventors: Tadayoshi Oguni, Satoshi Takizawa, Kiyoshi Iwai
  • Patent number: 5698629
    Abstract: A process for the preparation of a water-in-oil type polymer emulsion which comprises polymerizing an acrylamide-containing monomer in a water-in-oil type emulsion. The acrylamide is prepared by hydrating acrylonitrile in the presence of a catalytic amount of nitrilehydratase.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: December 16, 1997
    Assignee: Nitto Chemical Industry Co., Ltd.
    Inventors: Susumu Seki, Wataru Fujii
  • Patent number: 5616645
    Abstract: The present invention relates to a gelled fluoride resin fine particle dispersion for use as a coating, to a method of production thereof, and to a method using this gelled fluoride resin fine dispersion to protect an alkaline inorganic hardened body.The objective of the present invention is to provide an aqueous resin for use as a coating, this aqueous resin being able to form a high performance coating film that is superior in its ability to inhibit the leaching out of the alkaline substance from the alkaline inorganic hardened body, which has excellent weatherability, water resistance, alkaline resistance, and dirt picking resistance.The present invention accomplishes the stated objective through the utilization of gelled fine particles of a fluorine containing resin.The present invention may be used in the coating field.
    Type: Grant
    Filed: July 11, 1994
    Date of Patent: April 1, 1997
    Assignee: Dainippon Ink & Chemicals, Inc.
    Inventors: Shin'ichi Kuwamura, Yoshinobu Deguchi, Tokio Goto, Fumio Yoshino
  • Patent number: 5594066
    Abstract: Stable, agglomerate-free, low-viscosity graft copolymer dispersions are prepared by the radical polymerization of 25 to 65% by weight of ethylenically unsaturated monomers in the presence of a base polyol, a macromer, a low-molecular weight regulator and, optionally, an organic solvent. The dispersions of this process are suitable as a polyol component for the production of polyurethane plastics by the isocyanate addition process.
    Type: Grant
    Filed: August 23, 1995
    Date of Patent: January 14, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Torsten Heinemann, Manfred Dietrich, Gundolf Jacobs, Mark Kratz, Josef Sanders, Uwe Scholz, Helmut Woynar
  • Patent number: 5539022
    Abstract: Water-dilutable dispersions of acrylate copolymers having a hydroxyl number of from 40 to 200 mg KOH/g and an acid number of from 15 to 50 mg of KOH/g, obtained by free-radical copolymerization ofa) from 5 to 40 parts by weight of at least one glycidyl ester of an .alpha.-branched aliphatic saturated monocarboxylic acid,b) from 0 to 30 parts by weight of at least one diester of an .alpha.,.beta.-olefinically unsaturated dicarboxylic acid,c) from 0 to 70 parts by weight of at least one vinyl aromatic hydrocarbon, the molar quantity of component c) always being greater than or equal to the molar quantity of component b),d) from 0 to 60 parts by weight of an alkyl ester of an .alpha.,.beta.-olefinically unsaturated carboxylic acid,e) from 2 to 40 parts by weight of at least one .alpha.,.beta.-olefinically unsaturated carboxylic acid, the molar quantity of component e) always being greater than the molar quantity of component a),f) from 5 to 40 parts by weight of at least one hydroxyalkyl ester of an .alpha.,.
    Type: Grant
    Filed: April 4, 1994
    Date of Patent: July 23, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Holger Schmidt, Tanja R. Brueck, Uwe Kubillus, Harald Oswald, Petra Schaub, Andrea Travers-Hemmer
  • Patent number: 5494957
    Abstract: A polymer polyol is prepared by polymerizing one or more ethylenically unsaturated monomers in a polyol. A high molecular weight stabilizer having polymerizable ethylenic unsaturation and a low hydroxyl functionality is used, which leads to improved dispersion stability at reduced stabilizer level.
    Type: Grant
    Filed: August 17, 1994
    Date of Patent: February 27, 1996
    Assignee: The Dow Chemical Company
    Inventors: Douglas R. Moore, Keith R. Plowman, Paul L. Neill
  • Patent number: 5426136
    Abstract: Particulate amorphous silica, surfactant, monomer, and an aqueous solvent are brought into mutual contact so that as equilibrium is approached the concentration of the surfactant in the liquid phase is below, at, or slightly above the critical micelle concentration; the monomer is then polymerized to form polymeric film associated with at least a portion of the surface of the particulate amorphous silica, the polymeric film being (i) homopolymer of an aliphatic monomer or (ii) copolymer of at least two different monomers.
    Type: Grant
    Filed: March 24, 1993
    Date of Patent: June 20, 1995
    Assignee: PPG Industries, Inc.
    Inventors: Walter H. Waddell, Larry R. Evans, Jeffrey H. Harwell, John H. O'Haver
  • Patent number: 5424122
    Abstract: The invention relates to a neutral nonionic latex comprising:(a) about 5 to about 70 weight percent of a nonionic polymer comprising polymerized free-radically polymerizable nonionic monomer, based upon the total weight of the neutral nonionic latex, wherein the free radically polymerizable nonionic monomer comprises:(i) about 90 to about 99 percent by weight of nonionic alkyl acrylate monomer; and(ii) about 1 to about 10 percent by weight of nonionic amide monomer; wherein the weight percentages of (i) and (ii) are based upon the total weight of (i) plus (ii);(b) about 30 to about 95 weight percent of an aqueous phase, based upon the total weight of the neutral nonionic latex; and(c) about 2 to about 10 weight percent of a nonionic emulsifier based upon the total weight of the nonionic polymer plus the nonionic emulsifier;wherein particles of the nonionic polymer are stabilized by the nonionic emulsifier and dispersed within the aqueous phase.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: June 13, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Michael D. Crandall, Robert L. Nelson
  • Patent number: 5399604
    Abstract: An epoxy group-containing thermosetting resin composition comprising (A) a copolymer obtained from (a) at least one member selected from an unsaturated carboxylic acid and an unsaturated carboxylic acid anhydride, (b) an epoxy group-containing unsaturated compound, (c) a monoolefin unsaturated compound, and optionally (d) a conjugated diolefin unsaturated compound, and (B) an organic solvent for dissolving the above copolymer. There is also provided another epoxy-group containing thermosetting resin composition which contains the above component (A), (C) a polymerizable compound having at least one ethylenically unsaturated double bond, and (D) a photopolymerization initiator. These epoxy-group containing thermosetting resin compositions are excellent in storage stability.
    Type: Grant
    Filed: July 21, 1993
    Date of Patent: March 21, 1995
    Assignee: Japan Synthetic Rubber Co., Ltd.
    Inventors: Kimiyasu Sano, Masayuki Endo, Atsufumi Shimada, Yasuaki Yokoyama, Nobuo Bessho
  • Patent number: 5349021
    Abstract: A thermosetting printing ink composition comprising a functional copolymer of a thermosettable polyester and a polysiloxane, a pigment, a crosslinking agent and a curing catalyst which may be a strong acid or a metal salt thereof. The composition desirably also includes a reactive diluent such as a glycol, glycol ether or alcohol. The compositions are especially useful for imprinting metal containers such as beer and soda cans.
    Type: Grant
    Filed: June 2, 1993
    Date of Patent: September 20, 1994
    Assignee: Sun Chemical Corporation
    Inventors: John M. Rooney, Narendra M. Patel, Albert A. Kveglis, Robert J. Catena, Leonard Di Leo, Selcuk Avci
  • Patent number: 5342865
    Abstract: A solvent system contains methoxy acetone, water and, optionally, an oxygen-containing solvent other than methoxy acetone, such as a propylene glycol monoether or diether. The solvent system is a useful solvent for a curing agent for an epoxy resin, a curing catalyst and/or a cure inhibitor. A solution of the curing agent, the curing catalyst and/or the cure inhibitor in the solvent system can be mixed with an epoxy resin, optionally dissolved in a solvent, for producing a one-component epoxy resin composition.
    Type: Grant
    Filed: April 20, 1993
    Date of Patent: August 30, 1994
    Assignee: The Dow Chemical Company
    Inventors: Jan J. Zwinselman, John P. Everett, Karin Wanzl-Dacho
  • Patent number: 5324774
    Abstract: High concentration-low viscosity polymer-polyols are prepared by polymerizing mixtures of acrylonitrile and styrene in polyols, which are free of any polymerizable carbon-carbon double bond, in the presence of alkyl-substituted tertiary mines. Without use, as a dispersion stabilizer, of organic compounds which have a polymerizable carbon-carbon double bond and terminal hydroxyl groups, there can be obtained polymer-polyols which have a concentration of the polymer of 33-60 wt % and a glass transition temperature of the polymer of 90.degree.-120.degree. C.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: June 28, 1994
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Ariko Nishikawa, Tamotsu Kunihiro, Tsukuru Izukawa, Kiyotsugu Asai