Ethylenic Group Patents (Class 524/264)
  • Patent number: 6984677
    Abstract: Crosslinkable, flame retardant insulation compositions having improved resistance to scorch are provided. The compositions are comprised of a base resin, hydrated inorganic filler, coupling agent and stabilizer and formulated with a peroxide/scorch retardant combination, specifically, a combination of ?,??-bis(t-butylperoxy)diisopropyl benzene and 2,4-diphenyl-4-methyl-1-pentene.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: January 10, 2006
    Assignee: Equistar Chemicals, LP
    Inventor: Lester Y. Lee
  • Patent number: 6872765
    Abstract: The invention relates to a sol-gel coating material containing (A) an acrylate copolymer solution containing at least one acrylate copolymer (A1); (B) a parent varnish which can be prepared by hydrolysis and condensation of at least one hydrolysable silane (B1) of the general formula (I) SiR4, in which the variable R=hydrolysable groups, hydroxy groups and non-hydrolysable groups, provided that there should be at least one, preferably two, hydrolysable groups; and (C) an additive solution containing c1) at least one ethylenically unsaturated compound containing at least one epoxide group; c2) at least one silane (B1) with at least one non-hydrolysable group R presenting at least one epoxide group; and c3) at least one adduct of at least one silane (B1) with at least one non-hydrolysable group R presenting at least one amino group and at least one cyclic ethylenically unsaturated dicarboxylic acid anhydride.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: March 29, 2005
    Assignee: BASF Coatings AG
    Inventors: Peter Betz, Horst Hintze-Brüning, Wilfried Stübbe, Heinz-Peter Rink
  • Patent number: 6841601
    Abstract: A unitary humidity exchange cell (HUX) is dislosed that includes at least one composite membrane, disposed between at least one first chamber for flow of the first fluid therethrough and at least one second chamber for flow of the second fluid therethrough. The composite membrane include an at least partially sulfonated humidity-conducting polymer comprising residues derived from at least one arylvinyl monomer; and a reinforcing substrate bonded thereto. The product finds utility in a variety of physical and chemical processes and products whereby moisture or other highly polar liquid or gas transfer, exchange removal or delivery is important. A notable application is the Membrane Energy Recovery Ventilator (MERV) in which both heat, ions and moisture is transferred between two air streams, one intake and one exhaust, from an air-conditioned building.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: January 11, 2005
    Assignee: Dais-Analytic Corporation
    Inventors: Joseph M. Serpico, Scott G. Ehrenberg, Gary Wnek
  • Patent number: 6841602
    Abstract: A mixture comprising a cross-linkable thermosetting resin precursor and a polyfluoroalkylsiloxane curable to form a composition comprising a cross-linked thermoset resin containing the polyfluoroalkylsiloxane in a gradient concentration through a cross-section thereof.
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: January 11, 2005
    Assignee: RES Development Corporation
    Inventors: Robert E. Sterling, Eugene P. Goldberg
  • Patent number: 6822036
    Abstract: Rubber powders with a high degree of filling are obtained by precipitating water-containing suspensions which contain fillers and rubber emulsions or rubber solutions. Use thereof to prepare vulcanizable rubber mixtures.
    Type: Grant
    Filed: May 23, 2000
    Date of Patent: November 23, 2004
    Assignee: PKU Pulverkautschuk Union GmbH
    Inventors: Udo Görl, Thomas Trempler, Reinhard Stober, Uwe Ernst
  • Patent number: 6794431
    Abstract: The present invention relates to liquid coating compositions that absorb near infrared electromagnetic radiation. The coating compositions include a near infrared absorbing agent, a carrier vehicle, and a solvent system. The invention is also directed to a method of reducing the reflection of near infrared radiation from a surface in which a liquid coating composition comprising a near infrared absorbing agent, a carrier vehicle, and a solvent system is applied to the surface and the solvent system is removed, leaving a coating with a thickness of about 0.25 mils to 2 mils. The present invention further relates to a surface having a coating comprised of a near infrared absorbing compound and a carrier vehicle.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: September 21, 2004
    Assignee: Veil Corporation
    Inventors: Robert A. Rosania, Otto Gellner
  • Publication number: 20040077757
    Abstract: Disclosed is a coating composition comprising: (A) a silica precursor comprising at least one member selected from the group consisting of alkoxysilanes and hydrolysis/polycondensation products formed by hydrolysis/polycondensation reactions of the alkoxysilanes under acidic conditions, and (B) an organic polymer containing 20% by weight or more, based on the weight of the organic polymer, of an organic block copolymer, wherein the coating composition has an acidic pH value.
    Type: Application
    Filed: February 6, 2003
    Publication date: April 22, 2004
    Inventors: Toru Araki, Jun Li, Hironobu Shirataki, Hiroyuki Hanahata, Shinya Matsuno
  • Patent number: 6696155
    Abstract: Printed wiring boards improved in the drilling processability and insulation properties are produced either by treating the surfaces of base materials or inorganic fillers with silicone oligomers having specified structures, particularly, a three-dimensionally crosslinked silicone oligomer, or by using resin varnish prepared by compounding such a silicone oligomer with a resin varnish for impregnation of the base materials, or by dipping the inorganic fillers in a solution of such a silicone oligomer for surface treatment and then directly compounding resin materials with the solution.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: February 24, 2004
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Nozomu Takano, Shigeo Sase, Tomio Fukuda, Michitoshi Arata
  • Patent number: 6664313
    Abstract: The present invention relates to a polycarbonate resin composition comprising 100 parts by weight of an aromatic polycarbonate resin (a), 3 to 30 parts by weight of titanium oxide (b), 0.01 to 9 parts by weight of silica (c1), 0.01 to 9 parts by weight of a polyorganosiloxane polymer (c2), and 0.01 to 5 parts by weight of polytetrafluoroethylene (d).
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: December 16, 2003
    Assignee: Mitsubishi Engineering-Plastics Corporation
    Inventors: Yasuhiro Hirai, Kazuhiko Ishii
  • Patent number: 6656661
    Abstract: The present invention includes an imageable element, which includes a sheet substrate, an imaging layer and a silicone layer, which comprises a crosslinked silicone polymer. The crosslinked silicone polymer is the curing product of a vinyl functional polysiloxane copolymer and a hydrosiloxane compound. The curing is catalyzed by a platinum carbonyl complex. Upon imagewise exposure and development, an imaged element is obtained, which is mounted on a dry printing press containing lithographic ink and used to produce printed stock.
    Type: Grant
    Filed: April 4, 2001
    Date of Patent: December 2, 2003
    Assignee: Kodak Polychrome Graphics, LLC
    Inventors: Suck-Ju Hong, S. Peter Pappas
  • Patent number: 6649146
    Abstract: A composition for use as a dental impression material including a polymerizable resin consisting of oligomers or polymers functionalized with groups curable by ring opening metathesis polymerization. These oligomers or polymers are end-capped and/or tethered with said functional groups. The composition also includes a ruthenium carbene complex catalyst, whereby the catalyst initiates ring-opening metathesis polymerization of the composition. The invention includes a paste/paste system in which a base paste includes the polymerizable oligomer or polymer and an inorganic dental filler system and in which a catalyst paste includes the catalyst dissolved in an inert solvent and an inorganic dental filler system.
    Type: Grant
    Filed: December 6, 2001
    Date of Patent: November 18, 2003
    Assignee: Kerr Corporation
    Inventors: Christos Angeletakis, Mingfei Chen
  • Patent number: 6624214
    Abstract: There is disclosed a rubber composition comprising: (a) 100 parts by weight of at least one rubber containing olefinic unsaturation; and (b) 1 to 150 phr of a precipitated organosilicon particles having a core and a shell, wherein the core is obtained by the condensation of at least one monomer of the formula: R1—Si(OR2)3  I  where R1 is selected from the group consisting of hydrogen, methyl, ethyl, vinyl, alkoxy having from 1 to 4 carbon atoms, and phenyl; R2 is selected from the group consisting of alkyls having from 1 to 4 carbon atoms and phenyl; and wherein said condensation of said monomer is in the presence of a surfactant; and wherein the shell is obtained by the subsequent addition to the core of a monomer of the formula: R3—Si(OR2)3  II  where R3 is selected from the group consisting of —CH═CH2, —CH2—CH═CH2, &Parenopenst;CH2&Parenclosest;nSH and mixtures thereof; and n is an integer of from 2 to 8.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: September 23, 2003
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Rene Jean Zimmer, Wolfgang Lauer, Marc Weydert, Friedrich Visel, Uwe Ernst Frank
  • Patent number: 6613825
    Abstract: Thermoplastic compositions are disclosed based on syndiotactic polymers of styrene, reinforced with rigid fillers, comprising: a) a crystalline syndiotactic polymer of styrene; b) a polyarylene-ether; c) 1-200 parts by weight, with respect to 100 parts of (a)+(b), one or more inorganic and/or organic rigid fillers; and d) a silanic compound with a compatibilizing function.
    Type: Grant
    Filed: November 30, 1998
    Date of Patent: September 2, 2003
    Assignee: Enichem S.p.A.
    Inventors: Raffaele Franco, Alessandro Moro, Marco Scapin, Riccardo Po′
  • Patent number: 6590018
    Abstract: Compounds containing vinyl silane and epoxy functionality can be used as adhesion promoters or the main resin in curable compositions.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: July 8, 2003
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventor: Osama M. Musa
  • Patent number: 6576706
    Abstract: A flame-retardant polycarbonate resin composition comprising either a resin mixture of a polycarbonate resin and a styrenic resin, a functional group-having silicone compound, and a fluoro-olefin resin; or a polycarbonate resin, a functional group-having silicone compound, and a core/shell-type, grafted rubbery elastomer; or a resin mixture of a polycarbonate resin and a styrenic resin, a fluoro-olefin resin, an inorganic filler, and a polycarbonate-polyorganosiloxane copolymer and/or a functional group-having silicone resin, which composition and its moldings, exhibit good flame retardance, good impact resistance, and good thermal stability.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: June 10, 2003
    Assignee: Idemitsu Petrochemical Co., Ltd.
    Inventors: Akio Nodera, Masahiro Kitayama
  • Patent number: 6555606
    Abstract: This invention relates to preparation of a rubber composition by pre-mixing at least one rubber compounding ingredient with an organic solvent solution of at least one elastomer. The invention also contemplates the use of such rubber composition, or blend of such rubber composition with at least one additional elastomer and/or rubber compounding ingredient, as a component of an article of manufacture. Such article of manufacture may be, for example, a tire. Such article may also be an industrial product such as, for example, a hose or belt such as a conveyor belt or power transmission belt.
    Type: Grant
    Filed: March 20, 2000
    Date of Patent: April 29, 2003
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Giorgio Agostini, Rene Jean Zimmer
  • Patent number: 6527022
    Abstract: A pneumatic tire having a tread comprised of (a) a diene-based elastomer containing olefinic unsaturation and (b) from 1 to 150 phr of a metal oxide aerogel.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: March 4, 2003
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Friedrich Visel, Uwe Ernst Frank, Thierry Florent Edme Materne, Rene Jean Zimmer
  • Publication number: 20020189495
    Abstract: A composition for film formation capable of forming a silica-based coating film having low water absorption and dielectric constant of 2.1 or lower and useful as an interlayer insulating film material in semiconductor devices, etc.
    Type: Application
    Filed: March 25, 2002
    Publication date: December 19, 2002
    Applicant: JSR CORPORATION
    Inventors: Eiji Hayashi, Michinori Nishikawa, Atsushi Shiota, Kinji Yamada
  • Patent number: 6455029
    Abstract: A composition for use as a dental impression material including a polymerizable telechelic oligomer or polymer curable by ring-opening metathesis polymerization, a filler system, and a ruthenium carbene complex catalyst, whereby the catalyst initiates ring-opening metathesis polymerization of the composition. The invention includes a paste/paste system in which a base paste includes the polymerizable telechelic oligomer or polymer and a filler system and in which a catalyst paste includes the catalyst dissolved in an inert solvent and a filler system. The telechelic oligomer or polymer may be, for example, a polydimethylsiloxane end-functionalized with norbornenyl groups. The catalyst may be, for example, a ruthenium carbene complex with a ligand having a basicity higher than tricyclohexylphosphine. The composition of the present invention exhibits reduced sensitivity to sulfur impurities.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: September 24, 2002
    Assignee: Kerr Corporation
    Inventors: Christos Angeletakis, Mingfei Chen
  • Patent number: 6437039
    Abstract: The present invention relates to a one-part room temperature vulcanizable organopolysiloxane rubber composition which crosslinks in the presence of moisture to form a coating for the corrosion protection of metals. The one-part organopolysiloxane rubber composition comprises the product which is obtained by mixing the following: a) from about 20 to about 98 weight percent of one or more polydiorganosiloxane fluids of the formula R″[(R)2SiO]nR′ in which R is a monovalent alkyl or alkylene radical having 1 to 8 carbon atoms or a phenyl radical, R′ is a monovalent alkyl or alkylene radical having 1 to 8 carbon atoms or a phenyl radical, R″ is OH or a monovalent alkyl or alkylene radical having 1 to 8 carbon atoms or a phenyl radical and n has an average value such that the viscosity is from about 1 to about 100,000 centipoise at 25° C.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: August 20, 2002
    Assignee: CSL Silicones Inc.
    Inventors: Farooq Ahmed, Faisal Huda, Seraj ul Huda, John Barr
  • Patent number: 6429239
    Abstract: The invention concerns a dispersion powder composition which is redispersible in water and is made from water-insoluble organic polymers, the composition being characterized in that it contains 0.1 to 30% by wt., relative to the weight of the organic polymers, of one or more silicon compounds which are dispersible in water and which have a boiling point at normal pressure of 160 degrees C., selected from the group comprising the silanes, polysilanes, oligosiloxanes, carbosilanes, polycarbosilanes, carbosiloxanes, polycarbosiloxanes and polysilylenedisiloxanes. The invention also concerns methods for manufacturing such compounds and their use.
    Type: Grant
    Filed: August 16, 2000
    Date of Patent: August 6, 2002
    Assignee: Wacker-Chemie GmbH
    Inventors: Herbert Eck, Klaus Adler, Heinrich Hopf, Franz Jodlbauer, Dieter Gerhardinger
  • Patent number: 6391971
    Abstract: A short fiber-reinforced rubber composition comprises a master batch (A) comprised of (a) a first diene-based elastomer, (b) a polyolefin having a melting point of 100-150° C. and (c) short fibers of a thermoplastic polymer having amide group in its main chain, and a second diene-based elastomer (B) kneaded with the master batch (A), in which an amount of the component (c) is 5-30 parts by weight based on 100 parts by weight in total of the first diene-based elastomer and the second diene-based elastomer. Further, a rubber sheet made of the short fiber-reinforced rubber composition is inserted in a given zone of the sidewall portion, whereby the stiffness of the sidewall portion is enhanced to simultaneously establish the steering stability and the ride comfort and reduce the rolling resistance.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: May 21, 2002
    Assignee: Bridgestone Corporation
    Inventor: Hiroyuki Teratani
  • Patent number: 6387993
    Abstract: The invention relates to a water-based flame-retardant composition comprising at least one polyvinylpyrrolidone polymer, at least one silane coupling agent and at least one inorganic compound. The flame-retardant composition has low organic content and low toxicity. The flame-retardant composition may further comprise at least one polymeric emulsion and can be used as a coating or an adhesive. The invention also provides a flame-retardant article comprising a substrate and the flame-retardant composition disposed on a surface of the substrate.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: May 14, 2002
    Assignee: H. B. Fuller Licensing & Financing Inc.
    Inventor: Vernon H. Batdorf
  • Patent number: 6379689
    Abstract: An article for controlled and substantially uniform release of a volatile active organic substance into the surrounding atmosphere includes a silicone elastomer matrix of desired shape in which are dispersed the volatile substance and an effective amount of an agent for compatibilizing the volatile substance and the silicone elastomer of the matrix. The compatibilizer is an organic solvent with a Hildebrandt solubility parameter from 8 (cal/cm3)½ to 14 (cal/cm3)½ and a vapor pressure from 0.0005 mm to 0.8 mm of mercury (0.06 Pa to 105 Pa) at 20° C.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: April 30, 2002
    Assignees: Etablissements V. Mane Fils, Dow Corning France
    Inventors: Louis Michel Jacques Aguadisch, Edouard André Henri Bigot, André Rudolf Louis Colas, Guy Jean-Pierre Delpech, Frédéric Fonta, Jean Maurice Eugène Mane
  • Publication number: 20020037951
    Abstract: The cross-linked hydrosilylation reaction product of an alkenyl functional silicone compound, a silylhydride functional silicone compound, and one or more allyl started, hydrogen, alkyl, aryl or acyl terminated polyether compounds exhibits stability, compatibility with polar organic solvents and is useful as a component in personal care compositions.
    Type: Application
    Filed: October 5, 2001
    Publication date: March 28, 2002
    Applicant: General Electric Co.
    Inventors: John A. Kilgour, Atchara Chaiyawat, An-Li Kuo, Donald E. Firstenberg
  • Patent number: 6359034
    Abstract: This invention relates to preparation of an elastomer which contains a dispersion of silica reinforcement by forming a silica reinforcement in situ within an unvulcanized elastomer host, the resulting elastomer/filler composite and tire having component which contains such reinforced elastomer. The invention includes a rubber composition of at least two elastomers wherein one of said elastomers is a pre-formed composite of elastomer/in situ formed silica reinforcement. A tire having a component of such rubber composition, particularly a tire tread, is specifically contemplated.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: March 19, 2002
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Friedrich Visel, Wolfgang Lauer, Uwe Ernst Frank, Rene Jean Zimmer
  • Patent number: 6353045
    Abstract: The present invention relates to compounds of the formula where R1, R2 and R3 are independently selected from alkoxy radicals having from 1 to 8 carbon atoms and R4 is selected from the group consisting of alkenylenes, arylenes and alkyl-substituted arylenes having from 4 to 40 carbon atoms. These compounds may be used as silica couplers in rubber compositions.
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: March 5, 2002
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Francois Kayser, Wolfgang Lauer, Thierry Florent Edme Materne
  • Publication number: 20020016487
    Abstract: The present invention relates to compounds of the formula 1
    Type: Application
    Filed: February 27, 2001
    Publication date: February 7, 2002
    Inventors: Francois Kayser, Wolfgang Lauer, Thierry Florent Edme Materne
  • Patent number: 6342552
    Abstract: The present invention provides silica-filled, vulcanized elastomeric compounds comprising an elastomer mixed with at least a silica filler, a processing aid, and a curing agent, and processes for the preparation of the same. Generally, the present invention provides processing aids which effectively reduce or replace the amount (i.e., about 10 percent by weight based upon the silica filler) of the processing aid bis[3-triethyoxysilyl)propyl]tetrasulfide (“Si69”) used in the production of silica-filled rubber stocks. These new processing aids include alkyl alkoxysilanes, fatty acid esters of hydrogenated and non-hydrogenated sugars and the polyoxyethylene derivatives thereof, and combinations thereof, with or without various non-reinforcing fillers such as mineral fillers. The processing aids do not hinder the physical properties of the compounds and have been found to be excellent substitutes for Si69.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: January 29, 2002
    Assignee: Bridgestone Corporation
    Inventors: William L. Hergenrother, Ashley S. Hilton, William M. Cole, James Oziomek
  • Patent number: 6329456
    Abstract: A coating resin composition is able to form a coating film having not only high hardness and weatherability but also high toughness, and can be cured both at room temperature and by heating curing, and further which is good at storage stability. The coating resin composition consists essentially of a silica-dispersed oligomer solution of organosilane prepared by partially hydrolyzing a hydrolyzable organosilane represented by a formula R1nSiX4−n, in colloidal silica dispersed in an organic solvent, water or a mixture thereof, and an acrylic resin which is a copolymer of acrylate or methacrylate represented by a formula, CH2═CR2(COOR3), and a curing catalyst. This composition is used by separating the components into two solutions and then mixing thereof as required. A resin-coated article comprises a cured resin layer of the coating resin composition on the surface of a substrate.
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: December 11, 2001
    Assignees: Matsushita Electric Works, Ltd., Toshiba Silicone Co., Ltd.
    Inventors: Junko Okibe, Minoru Inoue, Motoaki Haruna, Ayumu Yasuda, Takeshi Sunaga, Yasuyo Iwabuchi, Norio Sato
  • Patent number: 6326422
    Abstract: Compositions useful for coating wire and cable to provide a radiation curable insulation layer are provided. The improved compositions of the invention, when cured, have a balance of properties making them suitable for automotive and appliance wire applications. The compositions are comprised of an ethylene copolymer, a hydrated inorganic filler, an alkoxysilane and a zinc salt of a mercaptobenzimidazole compound.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: December 4, 2001
    Assignee: Equistar Chemicals, LP
    Inventor: Steven W. Horwatt
  • Publication number: 20010044484
    Abstract: A flame retardant organic resin composition comprising (A) 100 parts by weight of an aromatic ring-containing organic resin and (B) 0.01 to 50 parts by weight of a branched organopolysiloxane described by average molecular formula (R12SiO2/2)a(R2SiO3/2)b(SiO4/2)c(R33O1/2)d(HO1/2)e, where R1, R2, and R3 are monovalent hydrocarbon groups selected from the group consisting of alkyl groups comprising 1 to 12 carbon atoms, alkenyl groups comprising 1 to 12 carbon atoms, and aryl groups comprising 6 to 12 carbon atoms, the content of aryl groups as a proportion of all the monovalent hydrocarbon groups is in a range of 20 mol % to 80 mol %, subscripts a and b are positive numbers, and subscripts c, d, and e are 0 or positive numbers, having a weight average molecular weight within a range of 300 to 10,000, and in which the content of silicon-bonded hydroxyl groups is not more than 1 wt %.
    Type: Application
    Filed: February 20, 2001
    Publication date: November 22, 2001
    Inventors: Hidekatsu Hatanaka, Koji Nakanishi, Haruhiko Furukawa, Koji Shiromoto, Hiroshi Ueki, Yoshitsugu Morita
  • Patent number: 6309708
    Abstract: A paint composition being capable of forming a coating film which is remarkably excellent in stain-proofing property whereby neither stains in the air nor stains marked due to rain water adhere to or are deposited on the coating film surface and a stain-proofing agent for adding to the composition are provided. The paint composition comprises a stain-proofing agent comprising an organometallic compound represented by XbM(OR1)aR2c, its oligomer or cooligomer comprising two or more of the organometallic compounds; a resin for paints; and a curing agent and/or a curing catalyst, provided that a stain-proofing agent comprising a compound represented by the formula (2): is excluded.
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: October 30, 2001
    Assignee: Daikin Industries, Ltd.
    Inventors: Haruhiko Mohri, Yasushi Yonei
  • Patent number: 6297302
    Abstract: Disclosed is a composition comprising a crosslinked product of a liquid composition which comprises (a) a fluorosilicone, (b) a crosslinking agent and (c) a thermal stabilizing agent comprising a reaction product of (i) a cyclic unsaturated-alkyl-group-substituted polyorganosiloxane, (ii) a linear unsaturated-alkyl-group-substituted polyorganosiloxane, and (iii) a metal acetylacetonate or metal oxalate compound. The crosslinked fluorosilicones can be employed as intermediate or outer layers of electrostatographic fuser members, electrostatographic intermediate transfer belt materials and the like. They are useful in applications wherein materials possessing desirable release characteristics, surface energies, electrical characteristics, oil resistance properties, or solvent resistance properties exhibited by fluorosilicone elastomers are desirable.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: October 2, 2001
    Assignee: Xerox Corporation
    Inventors: George J. Heeks, David J. Gervasi, Arnold W. Henry, Santokh S. Badesha
  • Patent number: 6280668
    Abstract: To provide a blended resin composition which comprises a thermoplastic resin which does not exhibit anisotropy in a molten state, such as a polyester resin, and a liquid-crystal polyester resin, and a resin composition which is reduced in delamination excellent in mechanical properties by blending 100 parts by weight of a resin component comprising 99 to 50 parts by weight of a thermoplastic resin (a) which does not exhibit anisotropy in a molten state and 1 to 50 parts by weight of a liquid-crystal polyester resin (b) capable of forming an anisotropic molten phase with 0.01 to 3.0 parts by weight of at least one silane compound (c) selected from among vinylalkoxysilanes, aminoalkoxysilanes and mercaptoalkoxysilanes.
    Type: Grant
    Filed: March 30, 1998
    Date of Patent: August 28, 2001
    Assignee: Polyplastics Co., Ltd.
    Inventors: Tatsuya Saito, Takayuki Ishikawa
  • Patent number: 6235848
    Abstract: A crosslinkable molding material is provided that includes: (a) 3 to 98 parts by weight of one or more thermoplastics and (b) 2 to 97 parts by weight of a substantially amorphous poly-&agr;-olefin which is grafted with a silane which has at least one olefinic double bond and one to three alkoxy groups bonded directly to the silicon, this grafted poly-&agr;-olefin having a melt viscosity at 190° C. in the range from 100 to 50,000 mPa.s. A molding material or shaped articles are provided that have high impact strength, high tensile strength and a smaller tendency to creep.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: May 22, 2001
    Assignee: Huels Aktiengesellschaft
    Inventors: Peter Bickert, Hans Guenther Wey
  • Patent number: 6232387
    Abstract: A mixture of a first aluminum hydroxide surface treated with a silicon-containing compound and having a mean particle size of 5-20 &mgr;m and a second aluminum hydroxide surface treated with a silicon-containing compound and having a mean particle size of 0.1-2.5 &mgr;m is blended in a silicone rubber composition comprising an organopolysiloxane, finely divided silica, and an organic peroxide. The silicone rubber composition cures into silicone rubber having sufficiently improved properties to serve as high-voltage electrical insulators, even when exposed to air polluted conditions or rigorous weather conditions.
    Type: Grant
    Filed: May 17, 1999
    Date of Patent: May 15, 2001
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Susumu Sekiguchi, Noriyuki Meguriya, Syuuichi Azechi, Takeo Yoshida
  • Patent number: 6147151
    Abstract: A tread rubber composition of excellent hydrophobic property and water repellency suitable to a studless tire of excellent performance on ice, comprising a diene rubber comprising at least one rubber selected from the group consisting of natural rubber, isoprene and polybutadiene as a main ingredient and, based on 100 parts by weight of the diene rubber, from 10 to 40 parts by weight of a clay comprising kaolinite as a main ingredient and having an oil absorption amount of from 50 to 70 g/100 g and 0.1 to 8 parts by weight of a silane coupling agent.
    Type: Grant
    Filed: November 21, 1994
    Date of Patent: November 14, 2000
    Assignee: Sumitomo Rubber Industries Limited
    Inventors: Takahiro Fukumoto, Yoko Nakada, Yoichi Mizuno, Kazuo Kadomaru
  • Patent number: 6136886
    Abstract: To provide a dental prosthetic material having processing characteristics and operating characteristics, which are not recognized in a conventional dental material.A biorestorative material which is a rubber elastic material having a shear modulus of 1.0-9.99 E+4 Pa to 1.0-9.99 E+9 Pa and a rubber hardness of 1 to 90, wherein a Knoop hardness can be 10 or more after polymerization.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: October 24, 2000
    Assignee: Kabushiki Kaisha Shofu
    Inventor: Mikito Deguchi
  • Patent number: 6127466
    Abstract: To obtain an injection-molded article of a resin composition blended with a thermoplastic resin and a liquid-crystal polymer, which is excellent in mechanical strengths, etc., by forming the liquid-crystal polymer into fibers during molding. The molded article, wherein the liquid-crystal polymer (B) capable of forming an anisotropic molten phase is present in the form of fiber having an average aspect ratio of 6 or higher in a matrix of the thermoplastic resin (A) not forming an anisotropic molten phase, is produced by injection-molding a thermoplastic resin composition obtained by blending 100 parts by weight of a resin component consisting of 99 to 50 parts by weight of the thermoplastic resin (A) not forming an anisotropic molten phase and 1 to 50 parts by weight of the liquid-crystal polymer (B) capable of forming an anisotropic molten phase with 0.01 to 1.0 part by weight of at least one compound (C) selected from the group consisting of phosphoric acid, phosphorous acid and metal salts thereof.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: October 3, 2000
    Assignee: Polyplastics Co., Ltd.
    Inventors: Haruji Murakami, Takayuki Ishikawa, Kazuhito Kobayashi
  • Patent number: 6107385
    Abstract: A flame-retardant resin composition, which comprises 100 parts by weight of a synthetic resin having 70 to 100% by weight of metallocene LLDPE, 20 to 100 parts by weight of a magnesium hydroxide having a BET specific surface area of 20 m.sup.2 /g or less, an average secondary particle diameter of 5 .mu.m or less, measured according to a laser diffraction scattering method, and a water-soluble sodium salt content of 500 ppm or less as a sodium, 1 to 20 parts by weight of red phosphorus having an average secondary particle diameter of 30 .mu.m or less and 0.1 to 20 parts by weight of a carbon powder, the total of the magnesium hydroxide, the red phosphorus and the carbon powder being 120 parts by weight or less.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: August 22, 2000
    Assignee: Kyowa Chemical Industry Co., Ltd.
    Inventor: Takeshi Imahashi
  • Patent number: 6071995
    Abstract: A rubber composition of improved hysteretic and physical properties which make it suitable for forming a tire tread, notably a tire tread of reduced rolling resistance, the rubber composition including carbon black having silica fixed to its surface as the majority portion of reinforcing filler and at least one functionalized diene polymer having at the end of its chain a silanol function or a polysiloxane block including a silanol end or a diene polymer modified along its chain by silanol functions.
    Type: Grant
    Filed: May 6, 1998
    Date of Patent: June 6, 2000
    Assignee: Michelin & Cie
    Inventor: Gerard Labauze
  • Patent number: 6022923
    Abstract: A pneumatic tire having improved rolling resistance and wear resistance comprises a tread made from a rubber composition containing a partially hydrophobizated silica subjected to a surface treatment with an organosilicon compound so as to have specified hydrophobization ratio and apparent density.
    Type: Grant
    Filed: August 28, 1997
    Date of Patent: February 8, 2000
    Assignee: Bridgestone Corporation
    Inventors: Shunji Araki, Kazuhiro Yanagisawa
  • Patent number: 6020395
    Abstract: A homogeneous microfilled dental composite material comprised of a mixture of polymerizable monomers and an inorganic filler, wherein said filler is comprised of silane treated fused silica aggregates having a size ranging from submicron to about 160 .mu.m. The aggregates are comprised of agglomerates of fumed silica having an average agglomerate size in the range of approximately 0.5 to 50 .mu.m, and the agglomerates are comprised of primary particles of fumed silica having an average particle size in the range of approximately 1 to 100 nm. The primary particles are interconnected by siloxane bridges formed by burning an organosilane coating on the fumed silica.
    Type: Grant
    Filed: January 6, 1998
    Date of Patent: February 1, 2000
    Assignee: Kerr Corporation
    Inventor: Christos Angeletakis
  • Patent number: 6004679
    Abstract: A multilayer laminate having improved peel strength and containing a first and third layer comprising various plastic, metal, or glass materials, and a second layer containing an addition-curable silicone composition curable to form an adhesive having good physical properties and improved peel adhesion properties, the second layer comprising (A) a vinyl-containing polydiorganosiloxane composition, (B) a hydrogen-terminated polysiloxane, preferably in an amount sufficient to provide an adhesion-promoting molar ratio of silicon-bonded hydrogen atoms in (B) to olefinically unsaturated radicals in (A); (C) a catalytic amount of a platinum-containing hydrosilation catalyst; (D) an effective amount of an adhesion promoter selected from the group consisting of (i) bis[3-(trimethoxysilyl)alkyl]-fumarates; (ii) bis[3-(trimethoxysilyl)alkyl]maleates; (iii) allyl-[3-(trimethoxysilyl)alkyl]maleates; (iv) allyl-[3-(trimethoxysilyl)alkyl]fumarates; and (v) N-[3-(trimethoxysilyl) alkyl]maleimides, wherein R.sup.2, R.sup.
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: December 21, 1999
    Assignee: General Electric Company
    Inventors: Tyrone Duncan Mitchell, Stuart Robert Kerr, III, Mark Wayne Davis
  • Patent number: 5962552
    Abstract: Described are an ink composition comprising water, a colorant and acrylic silicone resin particles having alkoxysilyl groups; and an image recording method comprising discharging the droplet of an ink composition from a recording head to record an image on a substrate, wherein an ink composition comprising water, a colorant and acrylic silicone resin particles having alkoxysilyl groups is used as the ink composition. According to the present invention, 1) blotting of the ink composition on the substrate can be prevented, 2) an image which has water resistance and has a markedly high image density can be obtained, 3) an image does not become sticky even under a high environmental temperature, and 4) there is no problem in safety.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: October 5, 1999
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takeshi Mikami, Yuzuru Fukuda
  • Patent number: 5955525
    Abstract: The insulating formulation is a mixture of vulcanizable halogen free polyolefins with low smoke emission and fire resistance characteristics, for application in compounds to insulate and cover cables and electric conductors. The polyolefins are formulated with a hydrated inorganic charge, an alkoxysilane, a curing agent, an additive such as a process assistance agent and a combination of two antioxidants, a hindered phenol and a zinc-mercapto toluimidazole salt. The stabilized formulations with the antioxidant combination of phenol with steric hindrance and zinc 2 mercapto toluimidazole salt offer a good thermostability at 3000 hours at a temperature of 125.degree. C. and at 240 hours at a temperature of 165.degree. C. and does not stain or decolorate the copper surface when the composition is steam vulcanized.
    Type: Grant
    Filed: May 5, 1997
    Date of Patent: September 21, 1999
    Assignee: Servicios Condumex S.A. de C.V.
    Inventors: Fernando Labastida Sanchez, Alfonso Perez Sanchez
  • Patent number: 5948842
    Abstract: The present invention provides a rubber composition comprising natural rubber and/or diene synthetic rubbers, silica in an amount of 10 to 85 parts by weight per 100 parts by weight of the rubber, a specific silane coupling agent, i.e., a bis-(alkoxysilylalkyl) polysulfide having a polysulfide structure in which the distribution of sulfur is specified, in an amount of 1 to 20% by weight of the amount of silica, and provides a pneumatic tire manufactured by using the rubber composition. The pneumatic tire has excellent low heat buildup property, low rolling resistance, and reinforcing property.
    Type: Grant
    Filed: August 25, 1997
    Date of Patent: September 7, 1999
    Assignee: Bridgestone Corporation
    Inventors: Shunji Araki, Kazuhiro Yanagisawa
  • Patent number: 5945475
    Abstract: This invention relates to a silicone release coating composition comprising (A) a diorganopolysiloxane having at least two alkenyl groups in each molecule, (B) an organohydrogenpolysiloxane having at least three silicon-bonded hydrogen atoms in each molecule, (C) a mixture of an alkynyl alcohol and an organosiloxane having at least one aliphatic triple bond-containing alkoxy group, and (D) a platinum group metal catalyst. The silicone release coating compositions of this invention have superior curability and storage stability at room temperature, and produce a uniform coating when used in thin film form on applicator rolls.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: August 31, 1999
    Assignee: Dow Corning Toray Silicone Co., Ltd.
    Inventors: Takateru Yamada, Taku Koyama, Koji Nakanishi
  • Patent number: 5908686
    Abstract: A sanitary rubber article coated with a film composed of a siloxane composition comprising the following Component A and the following Component B, Component B being present in a proportion of 0.1 to 5 parts by weight to 100 parts by weight of Component A:Component Aat least one organosiloxane having a recurring unit represented by the following General Formula (I): ##STR1## Component B at least one of organopolysiloxanes having a recurring unit represented by the following General Formula (II): ##STR2## wherein R.sub.1 to R.sub.5, n, x and y are defined in the specification.
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: June 1, 1999
    Assignee: Daikyo Gomu Seiko, Ltd
    Inventors: Morihiro Sudo, Tomoyasu Muraki, Eiji Kawachi, Yasushi Kawachi