Patents Examined by Ralph H. Dean
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Patent number: 5733976Abstract: The invention relates to painted objects, especially motor vehicle bodies, and effect paints for painting such objects. The effect paint has a color-producing paint layer comprising liquid crystal polymer compounds, especially those based on organopolysiloxanes, and surface-active compounds, especially polysiloxanes and/or polyacrylates. The paint is applied directly to the objects to be painted, e.g. by a spray or dip application. As a result, even convex surfaces can be painted simply, completely, and uniformly with liquid crystal polymers.Type: GrantFiled: February 15, 1996Date of Patent: March 31, 1998Assignee: Daimler-Benz AGInventor: Maria-Theresia Sailer
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Patent number: 5734000Abstract: A silicon-based lacquer is obtained by precondensation of a silicon compound and organic silanes followed by hydrolysis of the precondensate.Type: GrantFiled: February 13, 1995Date of Patent: March 31, 1998Assignees: E.I. DuPont de Nemours & Company, Fraunhofer-Gesellschaft Zur ForderungInventors: Michael Popall, Jochen Schulz, Birke Olsowski, Monika Pilz
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Patent number: 5731439Abstract: The present invention relates generally to .alpha.-aminoboronic acids and corresponding peptide analogs in which the .alpha.-carbon is substituted with an optionally functionalized piperidine containing alkyl group. These compounds are useful as inhibitors of trypsin-like serine protease enzymes.Type: GrantFiled: March 24, 1995Date of Patent: March 24, 1998Assignee: The DuPont Merck Pharmaceutical CompanyInventors: David John Carini, Joseph Cacciola, Celia Dominguez, John Matthew Fevig
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Patent number: 5731039Abstract: A method applying a curable sealant composition comprising an oxyalkylene polymer having at least one silicon-containing group to the silicon atom of which a hydroxy group and/or a hydrolyzable group are bonded onto previously applied and cured sealant composition comprising an oxyalkylene polymer having at least one silicon-containing group to the silicon atom of which a hydroxy group and/or a hydrolyzable group are bonded, which method comprises applying a primer comprising a copolymer having at least one silicon-containing group to the silicon atom of which a hydroxy group and/or a hydrolyzable group are bonded,said copolymer having a molecular chain comprising substatially(1) a monomer unit of at least one of an alkyl acrylate and an alkyl methacrylate wherein the alkyl group has from 1 to 8 carbon atoms, and(2) a monomer unit of at least one of an alkyl acrylate and an alkyl methA method foracrylate wherein the alkylgroup has not less than 10 carbon atoms, which method afford superior adhesiveness betweeType: GrantFiled: May 17, 1996Date of Patent: March 24, 1998Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Mikiko Suzuki, Jo Kawamura, Fumio Kawakubo
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Patent number: 5728469Abstract: Release surfaces comprising extruded polymer-siloxane block copolymer mixtures are provided. At least one block of the copolymer is a polymer compatible with the bulk polymeric material, while a second block is polysiloxane. Coextruded release surfaces comprising two or more polymeric layers, including one layer of a polymer-siloxane block copolymer mixture, are provided. The release surfaces serve as release liners for pressure sensitive adhesive labels and tapes.Type: GrantFiled: June 6, 1995Date of Patent: March 17, 1998Assignee: Avery Dennison CorporationInventors: Roger H. Mann, Edward I. Sun, Sebastian S. Plamthottam, Charles W. Newing
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Patent number: 5726247Abstract: This invention relates to a fluoropolymer nanocomposite comprising a fluoropolymer phase and an inorganic oxide phase dispersed throughout, said inorganic oxide phase having either no particles or particles substantially all of which have a particle size of less than about 75 nm which can be determined by small angle x-ray scattering and transmission electron microscopy techniques. These nanocomposites are useful as protective coatings.Type: GrantFiled: June 14, 1996Date of Patent: March 10, 1998Assignee: E. I. du Pont de Nemours and CompanyInventors: Michael Joseph Michalczyk, Kenneth George Sharp, Charles Winfield Stewart
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Patent number: 5726239Abstract: Block copolymer containing compositions, to be used in rotational molding, the compositions comprising at least:(a) 100 parts by weight of a block copolymer containing at least two predominantly poly(monovinyl aromatic) blocks and at least one predominantly poly(conjugated diene) block, the poly(conjugated diene) block preferably being selectively hydrogenated;(b) from 10 to 80 parts by weight and preferably from 20 to 50 parts by weights, of a linear low density poly(ethylene) or copolymers of predominantly ethylene and minor amounts of other .alpha.-olefin comonomers; and(c) from 20 to 100 parts by weight and preferably from 20 to 45 parts by weight of a plasticizer.Type: GrantFiled: March 22, 1996Date of Patent: March 10, 1998Assignee: Shell Oil CompanyInventors: Caroline Rita Nicole Maes, Peter Migchels
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Patent number: 5725443Abstract: The present invention provides a coated golf ball having good surface slippage for relatively long period of time. The coated golf ball of the present invention comprises a golf ball body and a paint layer formed thereon, wherein the paint layer is formed from a urethane paint which contains an isocyanate group-containing organic modified polysiloxane in an amount of 0.1 to 20% by weight based on an amount of resin components in the paint.Type: GrantFiled: October 27, 1995Date of Patent: March 10, 1998Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Kazushige Sugimoto, Kuniyasu Horiuchi
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Patent number: 5723108Abstract: The present invention is directed to a silicon based drying accelerator and top coat for wet nail polish, as well as a method for drying nail polish using the accelerator. The silicone based composition is comprised of at least 50% dimethicone and at least 25% cyclomethicone. It may be applied to wet nail polish using traditional spray or brush methods, or by using a dropper. The drying accelerator significantly reduces nail polish drying time over natural and other drying methods. The composition poses no health or environmental detriment.Type: GrantFiled: July 16, 1996Date of Patent: March 3, 1998Inventor: Moisei Reysis
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Patent number: 5721299Abstract: Electrically conductive and abrasion resistant polymeric compositions, methods of fabrication thereof and uses thereof are described. Admixtures of abrasion resistant materials and electrically conductive polymeric materials are formed. Many of these admixtures are light transmitting and can be used as an abrasion resistant light transmitting electrostatic discharge layers. The light transmitting discharge layer is useful as a surface coating for visual displays such as CRT screens to avoid electrostatic accumulation of dust and scratching.Type: GrantFiled: February 9, 1994Date of Patent: February 24, 1998Assignee: International Business Machines CorporationInventors: Marie Angelopoulos, Ali Afzali-Ardakani, Jack A. Dickerson, Thomas B. Pillsbury, Karl J. Puttlitz, Jane M. Shaw, Jeffrey D. Gelorme
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Patent number: 5719234Abstract: An object of the present invention is to provide a heat-curable high solid coating composition capable of forming a coating film which is excellent in both acid resistance and scratch resistance, and a method for forming a topcoat using said composition.The present invention provides a heat-curable high solid coating composition comprising:(A) a carboxyl-containing compound,(B) a vinyl polymer having an epoxy group, a hydroxyl group and a hydrolyzable alkoxysilyl group in one molecule,(C) a reactive organopolysiloxane, and(D) a crosslinked particulate polymer. The present invention also provides a method for forming a topcoat using said composition.Type: GrantFiled: November 12, 1996Date of Patent: February 17, 1998Assignee: Kansai Paint Company, LimitedInventors: Motoshi Yabuta, Masaaki Saika, Satoru Ito, Hiroyuki Okada, Yasumasa Okumura, Hiroshi Igarashi, Satoshi Ikushima
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Patent number: 5719230Abstract: The present invention provides a powder coating having an excellent curability which can be baked without evaporation of a blocking agent as compared with the conventional powder coating to provide a coat having an excellent yellowing resistance an improved smoothness and weather resistance. A novel powder coating containing, as a main component, a polyester resin composition is provided, comprising (A) an alkenyl group-containing polyester resin with a number-average molecular weight of from 500 to 100,000 having at least 1.2 alkenyl groups on the average per molecule, (B) a Si--H group-containing curing agent having at least two Si--H groups per molecule, and (C) a catalyst active in hydrosilylation.Type: GrantFiled: October 25, 1995Date of Patent: February 17, 1998Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Hiroshi Ando, Toshinobu Nakata, Masato Kusakabe, Shigeki Hamaguchi
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Patent number: 5710201Abstract: Paint compositions containing (A) a vinyl type copolymer obtained by polymerizing (i) specific silicone type vinyl monomers 1-50% by weight, (ii) vinyl monomers containing hydroxyl groups 5-60% by weight, and (iii) other vinyl monomers 5-80% by weight, (B) specific hydroxyl-group-containing silicone type compounds, and (C) a hardening agent that allows reaction with hydroxyl groups.Paint films can be formed which have excellent water-repellence and oil-repellence, and in which there is no lowering of water-repellence or oil-repellence when they are exposed for long periods in natural environments.Type: GrantFiled: March 8, 1995Date of Patent: January 20, 1998Assignee: BASF CorporationInventors: Takeshi Hayakawa, Kishio Shibato
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Patent number: 5708057Abstract: A silicone-modified water-based coating composition is disclosed wherein a suspension of silicone rubber particles in water is added to a water-based coating composition such that the resulting system is storage-stable and forms a mat film when dried or cured, which film is soft to the touch.Type: GrantFiled: June 18, 1992Date of Patent: January 13, 1998Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Yoshitsugu Morita, Atsushi Sakuma, Noriyasu Yokoyama, Keiji Yoshida
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Patent number: 5708084Abstract: There is disclosed a polyolefin composition which can be extruded at relatively high rates to provide extrudate having improved hydrophobicity, said composition comprising (A) 100 parts by weight of a thermoplastic resin; and (B) at least 1 part by weight of an interactive diorganopolysiloxane process aid, said diorganopolysiloxane having a number average molecular weight of at least 10,000.Type: GrantFiled: August 28, 1996Date of Patent: January 13, 1998Assignee: Dow Corning CorporationInventors: Dale Earl Hauenstein, Caibao Qian, David Joseph Romenesko
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Patent number: 5708085Abstract: There is disclosed a polyolefin composition which can be extruded at relatively high rates to provide extrudate having improved hydrophobicity, said composition comprising(A) 100 parts by weight of a polythylene resin; and(B) 1 to 5 parts by weight of an interactive diorganopolysiloxane process aid, said diorganopolysiloxane having a number average molecular weight of at least 10,000. In particularly preferred embodiments, an interactive diorganopolysiloxane in combination with a low density polyethylene is used as a process aid for linear low density polyethylene.Type: GrantFiled: August 28, 1996Date of Patent: January 13, 1998Assignee: Dow Corning CorporationInventors: Dale Earl Hauenstein, Caibao Qian, David Joseph Romenesko
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Patent number: 5708093Abstract: The invention relates to core/shell copolymer dispersions whose shell comprises hydrolyzable organosilicon comonomers, the shell consisting of a copolymer comprising,a) from 70 to 95% by weight of acrylic and/or methacrylic C.sub.1 to C.sub.10 alkyl esters of which from 20 to 80% by weight, based on the overall weight of a), have a water-solubility of not more than 2 g/l and from 80 to 20% by weight, based on the overall weight of a), have a water-solubility of at least 10 g/l,b) from 5 to 25% by weight of one or more ethylenically unsaturated, functional and water-soluble monomers including a proportion of from 25 to 100% by weight, based on the overall weight of b), of unsaturated carboxylic acids, andc) from 0.01 to 10% by weight of one or more olefinically unsaturated, hydrolyzable silicon compounds of the general formula R.sup.1 --Si(OR.sup.2).sub.Type: GrantFiled: October 2, 1995Date of Patent: January 13, 1998Assignee: Wacker-Chemie GmbHInventors: Thomas Bastelberger, Hermann Lutz, Peter Heiling
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Patent number: 5705550Abstract: A polyarylene sulfide resin composition is improved in mold releasing characteristics in molding, is thermally and chemically stable, evolves little decomposition gases and exhibits excellent mechanical characteristics. The composition can be prepared by blending (A) 100 parts by weight of a polyarylene sulfide resin with (B) 0.01 to 5 parts by weight of an ester compound composed of a polybasic aliphatic carboxylic acid and a monohydric aliphatic alcohol.Type: GrantFiled: August 22, 1996Date of Patent: January 6, 1998Assignee: Polyplastics Co., Ltd.Inventor: Nozomu Nakagawa
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Patent number: 5705589Abstract: The organosilanes and organopolysiloxanes containing groups which form free radicals and are soluble in organic solvents, processes for their preparation, macromonomers and graft copolymers from the organosilanes and organopolysiloxanes according to the invention as free radical initiators and organic monomers which can be polymerized by free radicals, a process for the preparation of the macromonomers and graft copolymers and their use.Type: GrantFiled: July 12, 1995Date of Patent: January 6, 1998Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Bernward Deubzer, Oskar Nuyken, Brigette Voit, Ralf Kollefrath
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Patent number: 5705586Abstract: Novel organic fluorine compounds are of formula (1): ##STR1## wherein R.sup.1 and R.sup.2 are monovalent hydrocarbon groups, Q.sup.1 is a group of formula (2) or (3): ##STR2## wherein R.sup.3 is a divalent hydrocarbon group which may have an intervening oxygen, nitrogen or silicon atom, R.sup.4 and R.sup.5 are divalent hydrocarbon groups, Rf.sup.1 is a divalent perfluoroalkylene or perfluoropolyether group, and letter a is an integer of 0-10. A curable composition comprising (A) a fluorinated amide compound having at least two aliphatic unsaturated groups of formula (1), (B) a fluorinated organohydrogensiloxane containing at least one monovalent perfluoroalkyl ether or perfluoroalkyl group and at least two hydrosilyl groups, and (C) a platinum group compound cures into elastomers solvent and chemical resistance.Type: GrantFiled: June 22, 1995Date of Patent: January 6, 1998Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Shinichi Sato, Noriyuki Koike, Takashi Matsuda, Hirofumi Kishita, Masatoshi Arai