Patents Examined by Mark Sweet
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Patent number: 5430076Abstract: A glass fiber strand for reinforcing a thermoplastic resin, consisting essentially of a strand of glass filaments having a sizing agent applied thereto and bundled, and an auxiliary resin capable of forming a polymer alloy with a main thermoplastic resin to be reinforced, coated on the surface of the strand.Type: GrantFiled: January 26, 1993Date of Patent: July 4, 1995Assignee: Asahi Fiber Glass Company LimitedInventors: Mitsuhiro Matsumoto, Akira Kitsunezuka, Hiroki Sato, Shigeharu Arai
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Patent number: 5418274Abstract: A paint used as a corrosion-protective coating of products and structures of ferrous and non-ferrous metals adapted to operated in a temperature range of from minus 40.degree. C. to plus 550.degree. C. to 600.degree. C. The paint comprises (in weight %): direct-synthesis butanolized polyphenylsiloxane resin, 20-22; aluminum powder, 12-18; aerosil (pure silicon dioxide), 3-7; a copolymer of methylmethacrylate and methacrylic acid, 13-29; and solvent, 36-40.Type: GrantFiled: November 4, 1993Date of Patent: May 23, 1995Assignee: Brokerskaya firma "Tsezar"Inventor: Irina G. Eikhenbaum
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Patent number: 5389440Abstract: An aqueous emulsion for use in forming a weight average sizing coating for treating a surface of a substrate. The emulsion comprises at least one polyolefin having a molecular weight greater than 10,000; an acid material selected from the group consisting of saturated fatty acids, unsaturated fatty acids which do not includ any hydroxyl groups and mixtures thereof; at least one base; optionally, an emulsifying agent; and a sufficient amount of water to form an aqueous phase emulsion comprising from about 10-50% of solid materials.Type: GrantFiled: May 31, 1994Date of Patent: February 14, 1995Assignee: Vetrotex Saint-GobainInventors: Michel Arpin, Paul Petit, Andre Vagnon
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Patent number: 5358985Abstract: In an active hydrogen-containing B-side composition for reaction with a polyisocyanate-containing A-side composition to make a polyurethane or polyurethaneurea elastomer by reaction injection molding, the improvement which comprises a mold release composition which is the reaction product of triethylenediamine and a C.sub.2 -C.sub.21 epoxide reacted in the presence of a carboxy functional siloxane.Type: GrantFiled: December 16, 1992Date of Patent: October 25, 1994Assignee: Air Products and Chemicals, Inc.Inventors: John E. Dewhurst, Ronald M. Pearlstein
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Patent number: 5344864Abstract: A thermoplastic elastomer composition comprising 100 parts by weight of a vinyl chloride resin, from 20 to 300 parts by weight of a nitrile rubber, from 25 to 200 parts by weight of a plasticizer, from 10 to 200 parts by weight of a filler and a curing agent for the rubber, and being meltable by a roll set at a temperature of 190.degree. C.Type: GrantFiled: December 12, 1990Date of Patent: September 6, 1994Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Yuichiro Kushida, Shoichi Tamegai, Akio Hirohashi
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Patent number: 5334643Abstract: Heat-sealable thermoplastic elastomeric films comprise from approximately 35% to about 65% of an A-B-A block copolymer wherein "A" blocks are derived from polystrene or a polystrene homolog and said "B" blocks being derived from lower alkenes and from about 25% to about 55% of an ethylene vinyl acetate copolymer, the ethylene vinyl acetate copolymer comprising approximately 28% vinyl acetate. The films are heat-sealable to various substrates including polyvinyl chloride. Once sealed to the substrate, the film may be readily peeled from the substrate by the application of a low and relatively constant peel force. A method for measuring the peel strengths of the film is disclosed. The films are especially adapted to being heat-sealed to a substrate which forms, together with the substrate a package, or multiple serially connected packages.Type: GrantFiled: July 1, 1991Date of Patent: August 2, 1994Assignee: Rexene Products CompanyInventor: Paul D. Gage
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Patent number: 5319012Abstract: A method for the nucleation of polyolefins containing residual polymerization catalyst by blending the polyolefins with at least one aliphatic dicarboxylic acid containing from about 4 to about 21 carbon atoms and at least one aliphatic monocarboxylic acid containing from about 8 to about 24 carbon atoms in a weight ratio between about 4:1 and about 1:4. Also a composition comprising at least one aliphatic dicarboxylic acid containing from about 4 to about 21 carbon atoms and at least one aliphatic monocarboxylic acid containing from about 8 to about 24 carbon atoms. The polyolefin product of the nucleation can be molded into shaped articles.Type: GrantFiled: July 15, 1992Date of Patent: June 7, 1994Assignee: Witco CorporationInventors: James J. Ward, Thomas E. Breuer
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Patent number: 5317051Abstract: A flame-retardant olefin polymer composition superior in surface whitening preventing property is obtained by blending 100 parts by weight of a resin component consisting principally of:a) 99-60% by weight of a polyolefin resin andb) 1-40% by weight of an olefin polymer modified with an unsaturated carboxylic acid or a derivative thereof: withc) 5-200 parts by weight of a flame retardant: andd) at least one component selected from the group consisting of:1 a mineral oil, a wax, or a paraffin.2 a higher fatty acid or an ester, amide or metallic salt thereof,3 a silicone4 a partial fatty ester of a polyhydric alcohol or aliphatic alcohol-, fatty acid-, aliphatic amino-, fatty acid amide-, alkylphenol- or alkylnaphthol-ethylene oxide adduct, and5 a fluoric elastomer.Type: GrantFiled: May 22, 1992Date of Patent: May 31, 1994Assignee: Nippon Petrochemicals Co., Ltd.Inventors: Masahiro Harashige, Tsutomu Kawamura, Satoru Kaneko, Takashi Inoue, Atsuo Tokutake, Toshitsune Yoshikawa
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Patent number: 5314972Abstract: In one embodiment, a process is provided for treating virgin arylene sulfide resins, wherein a heated polymer slurry, comprising a virgin arylene sulfide resin and water, is contacted by a buffer solution having a pH less than about 9.35 but greater than that necessary to result in at least a partial curing of the virgin arylene sulfide resin. In a further embodiment, a process is provided for treating a virgin arylene sulfide resin, wherein a virgin arylene sulfide resin is slurried in a buffer solution having a pH less than about 9.35 but greater than that necessary to result in at least a partial curing of the virgin arylene sulfide resin. The treating process of this invention is conducted at an elevated temperature, below the melting point of the virgin arylene sulfide resin, while in the substantial absence of a gaseous oxidizing atmosphere. The treated arylene sulfide resins are recovered from the polymer slurry in a manner which does not result in at least a partial curing of the treated resin.Type: GrantFiled: September 21, 1989Date of Patent: May 24, 1994Assignee: Phillips Petroleum CompanyInventors: Afif M. Nesheiwat, John F. Geibel
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Patent number: 5314731Abstract: A surface-treated substrate consisting essentially of a substrate having at least two treated surface layers wherein the first layer constituting the outermost layer among the treated surface layers is a layer obtained by treatment with a compound (I) capable of forming a surface having a contact angle of at least 70.degree. against water and the second layer constituting an underlayer in contact with the outermost layer is a layer obtained by treatment with at least one reactive silane compound (II) selected from the group consisting of isocyanate silane compounds and hydrolyzable silane compounds.Type: GrantFiled: May 15, 1992Date of Patent: May 24, 1994Assignee: Asahi Glass Company Ltd.Inventors: Takashige Yoneda, Tsuneo Wakabayashi, Yukiko Takano
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Patent number: 5310772Abstract: Stable aqueous coemulsions of oxidized polyethylene with amino functional silicone fluids which includes at least one constituent selected from the group consisting of; ethoxylated aliphatic amines, ethoxylated nonylphenols, ethoxylated primary alcohols, ethoxylated secondary alcohols or other nonionic emulsifiers are taught, as well as processes for making the same. The coemulsions may also comprise further constituents, including but not limited to fatty acids, ammonium hydroxide, salts and water. The coemulsions find use in conjunction with textile processing and paper processing.Type: GrantFiled: May 8, 1992Date of Patent: May 10, 1994Assignee: AlliedSignal Inc.Inventors: Robert M. Blanch, Mark J. Kaszubski
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Patent number: 5306743Abstract: Aqueous synthetic resin dispersions comprising latex particles having an average particle diameter below 140 nanometers, consisting ofa) 5 to 45 weight percent of a core material having a dynamic glass transition temperature above 60.degree. C. andb) 95 to 55 weight percent of a shell material having a dynamic glass transition temperature below 80.degree. C., whereby the dynamic glass transition temperature of the shell is at least 20 K. below that of the core,which dispersions have a low minimum film forming temperature and give films of low tackiness and high block point.Type: GrantFiled: April 8, 1991Date of Patent: April 26, 1994Assignee: Rohm GmbHInventors: Wolfgang Klesse, Gerhard Markert, Marliese Weber
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Patent number: 5302651Abstract: A polyarylenesulfide resin composition manufactured by compounding polyarylenesulfide resin with one or more ester-based compounds selected from the groups of compounds shown in the following formulas (1) and (2): ##STR1## where R.sup.1 to R.sup.4 are such that at least one of them is an alkyl or alkenyl group of 10-40 carbon atoms, the remaining Rs represent --H, --OH, alkyl, or aryl radicals, and 1.0<m<6.Type: GrantFiled: October 21, 1991Date of Patent: April 12, 1994Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Kiyotaka Kawashima, Shigeaki Nagano
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Patent number: 5302636Abstract: The present invention provides a rubber composition containing a leather powder or gelatin powder, and a tire having a tread prepared from the rubber composition.Type: GrantFiled: September 8, 1992Date of Patent: April 12, 1994Assignee: Toyo Tire & Rubber Company LimitedInventors: Hiroshi Takino, Makoto Komai, Riichiro Ohara, Satoshi Iwama, Yuji Yamaguchi, Rinichi Nakayama, Koji Hiramatsu, Kenji Komamizu
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Patent number: 5296579Abstract: A process for the production of arylene sulfide polymers is provided which comprises subjecting a mixture of at least one first sulfur source, at least one second sulfur source comprised of at least one organic monothiol compound, at least one polyhalo-substituted aromatic compound and at least one polar organic compound to polymerization conditions sufficient to produce the arylene sulfide polymer. The organic monothiol compound can be added at any time prior to substantial completion of polymerization to provide arylene sulfide polymers of increased extrusion rate.Type: GrantFiled: February 11, 1988Date of Patent: March 22, 1994Assignee: Phillips Petroleum CompanyInventors: Jon F. Geibel, Robert W. Campbell, Guy Senatore, Fernando C. Vidaurri, Mark A. Haney
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Patent number: 5290844Abstract: The water-swellable adhesive water stop of the invention is advantageous in respect of the improved workability and high water-stopping power as a consequence of the unique formulation of the rubber composition from which the water stop is prepared by shaping and vulcanization. The rubber composition comprises: (A) a butyl rubber; (B) a highly water-absorptive resin; (C) an inorganic water-absorbent; (D) a tackifier; (E) a plasticizer; (F) a vulcanizing agent; and, optionally, (G) a basic filler each in a limited amount relative to the component (A). The water stop is further characterized by a tensile strength in the range from 1 to 30 kgf/cm.sup.2, 100% elastic modulus in the range from 1 to 4 kgf/cm.sup.2, ultimate elongation at break of at least 300% and degree of swelling in water in the range from 150 to 500% by weight after immersion in water for 21 days at 23.degree. C.Type: GrantFiled: September 3, 1991Date of Patent: March 1, 1994Assignee: C. I. Kasei Co., Ltd.Inventor: Eiichi Otsuka
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Patent number: 5290841Abstract: An organocyclosiloxane having utility as a coupling agent is disclosed, said organocyclosiloxane having the general formula ##STR1## wherein R.sup.1 is independently selected from monovalent hydrocarbon groups having 1 to 8 carbons, R.sup.2 is selected from the group consisting of an alkoxy group and an alkoxysilylalkyl group, R.sup.3 is an organofunctional group selected from the group consisting of glycidoxyalkyl, methacryloxyalkyl, N-(trialkylsilyl)aminoalkyl, (hydroxyphenyl)alkyl and haloalkyl, x is 1 to 6 and y is 1 to 6, with the proviso that x+y is an integer having a value of 3 to 8.Type: GrantFiled: February 16, 1993Date of Patent: March 1, 1994Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Hiroji Enami, Shoji Akamatsu
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Patent number: 5290852Abstract: An internally plasticized polyvinyl halide obtained by the polymerization of a vinyl halide monomer in the presence of a polyester polymeric plasticizer substantially derived from glutaric acid and a diol. Articles made therefrom exhibit a unique balance of improved permanence, low plasticizer extraction high clarity and low haze. The polymers are particularly suitable for use in automotive interior parts or containers for blood components or foodstuffs.Type: GrantFiled: June 1, 1993Date of Patent: March 1, 1994Assignee: The Geon CompanyInventor: Josef C. Vyvoda
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Patent number: 5288780Abstract: An adhesion promoting composition for use on polyolefin substrates which is formulated with a chlorinated polyolefin in a water-based emulsion.Type: GrantFiled: May 29, 1992Date of Patent: February 22, 1994Assignee: Tioga International, Inc.Inventors: Richard E. Jarzombek, William J. Yapp, David W. Helms
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Patent number: 5286773Abstract: A composition of matter formed by melt-blending a thermoplastic polymer and from 0.01% to <1% of a fluorocarbon additive, the additive having a lower surface energy than that of the polymer; the blending resulting in a cooled admixture having a concentration of fluorocarbon additive through a cross-section of the solid composition lower in the interior thereof and higher at the surfaces thereof.Type: GrantFiled: June 17, 1992Date of Patent: February 15, 1994Assignee: Res Development CorporationInventors: Robert E. Sterling, Eugene P. Goldberg