Patents Examined by William E. Parker
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Patent number: 4057672Abstract: A compounded polyvinyl chloride and a method for its preparation which comprises polyvinyl chloride, selected plasticizer, silica pigment, selected heat stabilizer, selected chelator, selected surfactant and selected slip-antiblock agent. The compounded polyvinyl chloride uniquely has, as a film, anti-moisture fogging and oxygen transmissive properties suitable for packaging meat, yet can be used in high speed packaging machines.Type: GrantFiled: December 16, 1974Date of Patent: November 8, 1977Assignee: The Goodyear Tire & Rubber CompanyInventors: Mark D. Creekmore, Henry F. Panning
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Patent number: 4035323Abstract: Homopolymers and copolymers of 1-olefins are protected against the deleterious effects of ulraviolet light by incorporating therein an additive system consisting of a piperidine derivative and a hydroxy-substituted phenyl benzoate in an amount sufficient to prevent such deterioration.Type: GrantFiled: August 6, 1975Date of Patent: July 12, 1977Assignee: Phillips Petroleum CompanyInventor: Ronald D. Mathis
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Patent number: 4033928Abstract: Epoxy resins stabilized by at least one sterically hindered cyclic amine of the formula I ##STR1## AND SALTS THEREOF IN WHICH Q IS 1 OR 2, X represents an organic grouping which complements the nitrogen-containing ring to give a 5-membered, 6-membered or 7-membered ring, R.sub.1 and R.sub.2 represent methyl or together represent --(CH.sub.2).sub.5 --, R.sub.3 represents methyl, R.sub.4 represents alkyl with 1-5 carbon atoms or together with R.sub.3 represents the radicals --(CH.sub.2).sub.4 --, --(CH.sub.2).sub.5 --, --CH.sub.2 --C(CH.sub.3).sub.2 --NH--C(CH.sub.3).sub.2 --CH.sub.2 -- or --CH.sub.2 --C(CH.sub.3).sub.2 --N(O.sup..)--C(CH.sub.3).sub.2 --CH.sub.2 -- and, if q is 1, Y denotes hydrogen, --O.sup.., hydroxyl, alkyl, substituted alkyl, alkenyl, alkynyl, aralkyl, substituted aralkyl or acyl or, if q is 2, Y denotes alkylene, alkenylene, alkynylene, cycloalkylene or aralkylene.Type: GrantFiled: April 1, 1975Date of Patent: July 5, 1977Assignee: Ciba-Geigy CorporationInventors: Donald Richard Randell, Barry Cook, Alexander Michael Chalmers
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Patent number: 4028292Abstract: A thermoplastic hot melt pressure-sensitive adhesive composition which is resistant to heat deterioration at elevated temperatures and, therefore, may be melted and maintained hot and ready for coating for extended periods of time without detracting from the properties of the adhesive. The composition is based upon a linear or radial A-B-A block copolymer and a mixture of solid and liquid tackifier resins and contains a heat stabilizing component which comprises an oil-soluble, heat-reactive phenol formaldehyde resin and a suitable antioxidant which preferably consists predominantly of a metal dithiocarbamate.Type: GrantFiled: May 23, 1974Date of Patent: June 7, 1977Assignee: Johnson & JohnsonInventor: Ralf Korpman
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Patent number: 4028291Abstract: Resins for printing ink and particularly offset ink, are produced by reacting a resin obtained by heat polymerizing at least one of cyclopentadiene, dicyclopentadiene or their alkyl substituted derivatives with 1-3 carbons and an unsaturated alcohol or unsaturated alcohol ester of an organic acid at a temperature of 150-350.degree. C. in the presence or in the absence of an inert hydrocarbon solvent with a higher monohydric saturated fatty acid or higher monohydric unsaturated fatty acid or their mixtures to produce a resin having a softening point of 100.degree. C or more.Type: GrantFiled: September 29, 1975Date of Patent: June 7, 1977Assignee: Nippon Oil Company Ltd.Inventors: Shozo Tsuchiya, Hisatake Sato, Akio Oshima, Hideo Hayashi
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Patent number: 4024104Abstract: Ethylene-carbon monoxide copolymer compositions are stabilized against thermal degradation by the incorporation therein of substituted 2-(2'-hydroxyphenyl)-benzotriazoles.Type: GrantFiled: June 13, 1975Date of Patent: May 17, 1977Assignee: Atlantic Richfield CompanyInventors: Donald Henry Russell, Robert Warren Lenton
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Patent number: 4021391Abstract: A pressure-sensitive adhesive composition comprising a liquid diene polymer containing in the molecule thereof an average of about 2.0 to about 2.5 functional groups capable of reacting with an isocyanate group, an isocyanate compound containing in the molecule thereof 2 or more isocyanate groups and a tackifier containing therein at least one polar group selected from the class consisting of --COOH, --OH, and --CH.sub.2 OH, wherein the isocyanate compound is present in such amount that the isocyanate group(s) of the isocyanate compound is/are present in an amount of about 0.75 to about 1.2 equivalents per equivalent of the functional groups of the liquid diene based polymer, and the tackifier is present in an amount of about 10 to about 70, preferably 30 to 60, parts by weight per 100 parts by weight of the total weight of the liquid diene polymer and the isocyanate compound.Type: GrantFiled: December 19, 1975Date of Patent: May 3, 1977Assignee: Nitto Electric Industrial Co., Ltd.Inventors: Ichiro Ijichi, Shigetoshi Kai, Hikaru Teranishi, Akira Morioka, Kazuyoshi Seki
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Patent number: 4019921Abstract: Condensation products are formed from the unsaponifiable constituents of tall oil and alpha- beta- unsaturated mono- or poly-basic aliphatic acids or their derivatives. The condensation products can be formed into aqueous soap solutions in which form they find use as agents in the sizing of paper, particularly when used as fortifying agents for rosin acid soap sizes.Type: GrantFiled: February 11, 1975Date of Patent: April 26, 1977Inventor: Adolf Koebner
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Patent number: 4018731Abstract: A high impact polyamide resin is prepared by interpolymerizing with polyamide forming monomers a minor amount of an approximately equi-molar mixture of a low molecular weight diolefin polymer, and a dimerized fat acid or acid derivative, said diolefin polymer and dimerized fat acid or derivative having terminal amide-forming functional groups of each end of the polymer chain.Type: GrantFiled: June 12, 1975Date of Patent: April 19, 1977Assignee: Foster Grant Co., Inc.Inventor: Willard M. Sims
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Patent number: 4018732Abstract: An adhesive mastic composition consisting essentially of an acrylic-containing polymer latex, a water dispersion of a rosin ester and a filler or fillers.Type: GrantFiled: January 2, 1976Date of Patent: April 19, 1977Assignee: Gulf Research & Development CompanyInventor: Pallavoor R. Lakshmanan
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Patent number: 4017455Abstract: Polyolefins and polyesters are flame-proofed with compounds having the formula ##STR1## wherein X is OH or NH.sub.2 and n is a whole, positive integer of 1-4, inclusive.Type: GrantFiled: August 11, 1975Date of Patent: April 12, 1977Assignee: American Cyanamid CompanyInventor: Joseph Adrian Hoffman
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Patent number: 4014853Abstract: The condensation product of oxalyl dihydrazide and furfural is found to be an effective metal deactivator in saturated hydrocarbon polymers such as polyethylene. The stabilizer is usefully incorporated in primary insulation on copper wire.Type: GrantFiled: August 27, 1974Date of Patent: March 29, 1977Assignee: Bell Telephone Laboratories, IncorporatedInventors: Ray Lawson Hartless, Anthony Marion Trozzolo
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Patent number: 4013603Abstract: Composition for protective coating of metallic surfaces, particularly those used in the automotive industry, which comprises 5 to 20% by weight of a vinylic resin, from 10 to 30% by weight of a plasticizer for the said vinyl resin, from 5 to 15% by weight of bituminous substances, from 0.1 to 1.5% by weight of a thixotropic agent and from 20 to 65% by weight of a filler, and which is applied by spraying on the metallic surfaces.Type: GrantFiled: February 10, 1975Date of Patent: March 22, 1977Assignee: Labofina S.A.Inventors: Michele Zavatti, Vittorio Baravalle, Paolo Saracino
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Patent number: 4011184Abstract: A bitumen-polymer composition with improved elastomeric properties is prepared by chemically coupling a modified bitumen and a modified polymer with a metal compound wherein the bitumen and polymer are first modified by attaching to the bitumen and polymer carboxylic acid groups or anhydride groups.Type: GrantFiled: March 17, 1975Date of Patent: March 8, 1977Assignee: Shell Oil CompanyInventors: Jan W. van Reijendam, Jan VAN Schooten
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Patent number: 4010126Abstract: Aqueous polymeric emulsions are formed by the inter-polymerization reaction product of at least one monomer having a reactive CH.sub.2 =C< group (e.g., vinyl acetate and alkyl acrylates) and an alkyd resin which is modified by the incorporation therein of certain ethylenically unsaturated monomers.Type: GrantFiled: April 11, 1975Date of Patent: March 1, 1977Assignee: Celanese CorporationInventor: Edward J. Kuzma
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Patent number: 4010129Abstract: Compositions containing salts of aromatic sulfonic acids, long chain fatty acids and thioethers are useful in the processing of natural and synthetic rubber by permitting the usual peptizing step of such processing to be omitted.Type: GrantFiled: April 28, 1975Date of Patent: March 1, 1977Assignee: Technical Processing, Inc.Inventor: Erwin Aron
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Patent number: 4008193Abstract: Halogen-containing polymers are heat-stabilized by physiologically unobjectionable mixtures consisting of 10 to 70% by weight of an aluminum salt, 10 to 80% by weight of a calcium salt and 10 to 70% by weight of a zinc salt of an aliphatic mono- or dicarboxylic acid or an aromatic mono-, di-, or tricarboxylic acid.Type: GrantFiled: September 23, 1975Date of Patent: February 15, 1977Assignee: Hoechst AktiengesellschaftInventors: Franz Scheidl, Herbert Nies
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Patent number: 4006113Abstract: A novel coating composition can be obtained by compounding 100 parts by weight of (A) acetylene-conjugated random copolymer having an acetylene unit content of 5-60 mol% and a block character P of 0.8-1.2 and 5-1,000 parts by weight of (B) carbon-carbon double bond-containing compound. The resulting coating composition shows a rapid curing velocity, which has never been seen, and provides an excellent coating film.When the above described composition is added with (C) a curing promoter or a radical initiator, the curing velocity is more increased and when the above described composition is added with (D) a filler or a pigment, excellent coating films suitable for various applications can be formed.Type: GrantFiled: September 9, 1974Date of Patent: February 1, 1977Assignee: Bridgestone Tire Company LimitedInventors: Junji Furukawa, Eiichi Kobayashi, Takahiro Kawagoe
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Patent number: 4000100Abstract: This invention comprises the polyvinyl chloride stabilizer composition of an unactivated Zeolite A molecular sieve or an unactivated naturally occurring molecular sieve of essentially the same pore size range as Zeolite A and a conventional inorganic, organometallic or organic stabilizer, or mixture of these stabilizers. An unactivated zeolite molecular sieve has adsorbed water molecules. The combination of the unactivated zeolite molecular sieve and the conventional stabilizer produces a resin of greater stability than that produced by either of the components when used separately.Type: GrantFiled: June 4, 1971Date of Patent: December 28, 1976Assignee: W. R. Grace & Co.Inventor: Henry Baldyga
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Patent number: 3996173Abstract: An impact resistant thermoplastic molding composition comprisingA. 80% to 98% by weight of polyvinyl chloride,B. 2% to 20% by weight of a modifying resin for improving the impact strength, characterized by an additional content of,C. 2% to 30% by weight, based on PVC, of a coated calcium carbonate, the surface of which has been treated with stearic acid and which has a particle size of 0.04 to 0.1 .mu..The composition is useful for preparing shaped articles, such as hollow articles.Type: GrantFiled: September 23, 1974Date of Patent: December 7, 1976Assignee: Wacker-Chemie GmbHInventors: Friedrich Heichele, Johann Bauer, Helmut Wimmer