Phenolic Reactant Contains A Phosphorus Or Sulfur Atom Or With Phosphorus- Or Sulfur-containing Reactant Patents (Class 525/150)
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Patent number: 4544705Abstract: This invention is directed to novel aromatic polyformals comprising from about 5 weight percent to about 95 weight percent of repeating units (I) having the formula ##STR1## and from about 95 weight percent to about 5 weight percent of repeating units (II) having the formula ##STR2## in which the repeating units (I) and the repeating units (II) are connected by interbonding units (III) having the formula--CH.sub.2 -- (III)wherein Y is selected from alkyl groups of 1 to 4 carbon atoms, chlorine or bromine, each z, independently, has a value of from 0 to 4 inclusive, n has a value of 0 or 1, and R.sub.1 is a divalent saturated or unsaturated hydrocarbon radical, O, CO, SO.sub.2, S or a direct bond, with the proviso that when R.sub.1 is SO.sub.2 then repeating unit (II) is not the same as repeating unit (I). The invention is also directed to a process for preparing the novel aromatic polyformals. The aromatic polyformals have utility as molded plastic materials, adhesives, sealants and the like.Type: GrantFiled: December 21, 1983Date of Patent: October 1, 1985Assignee: Union Carbide CorporationInventor: Louis M. Maresca
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Patent number: 4536544Abstract: Described are blends of block copolymers of polyphenylene oxides and poly(aryl ether)s, a styrene based polymer or copolymer, and a poly(aryl) ether) and/or a polyphenylene oxide.Type: GrantFiled: December 22, 1983Date of Patent: August 20, 1985Assignee: Union Carbide CorporationInventors: Markus Matzner, Donald M. Papuga
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Patent number: 4536543Abstract: Described are novel copolymers of polyphenylene oxides and poly(aryl ether)s. These copolymers are readily compatible with styrene polymers and copolymers and give tough blends.Type: GrantFiled: September 30, 1983Date of Patent: August 20, 1985Assignee: Union Carbide CorporationInventors: Markus Matzner, Donald M. Papuga
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Patent number: 4532286Abstract: Compounds of formula I ##STR1## where R.sub.1 and R.sub.2 independently are alpha-branched alkyl of 3 to 8 carbon atoms, R.sub.3 is hydrogen, R.sub.4 is ethylene, 1,3-propylene or 1,4-butylene, and n is 2 or 4 are effective stabilizers for protecting elastomeric or acrylonitrile copolymer compositions or lubricating oil compositions against thermal oxidation and discoloration. 2-Mercaptoethyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate is particularly useful.Type: GrantFiled: November 3, 1983Date of Patent: July 30, 1985Assignee: Ciba-Geigy CorporationInventor: Siegfried Rosenberger
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Patent number: 4529778Abstract: A process for preparing aromatic-moiety-containing polymers having modified physical properties is disclosed. Briefly, the process comprises reacting in the presence of a Friedel-Crafts catalyst: (a) a suitable aromatic-moiety containing polymer resin and (b) a homopolymer of .omega.-halo-.alpha.-olefins, or co- or terpolymer of .omega.-halo-.alpha.-olefins with other .alpha.-olefins and/or ethylene.Type: GrantFiled: September 22, 1983Date of Patent: July 16, 1985Assignee: Conoco Inc.Inventor: Mark L. Shannon
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Patent number: 4524177Abstract: 1,4-Dihydroxynaphthalene, iron compounds and optionally tertiary arylamines prove to be a highly active accelerator/stabilizer system for peroxide-catalyzed ethylenically unsaturated hardenable compounds.Type: GrantFiled: November 23, 1983Date of Patent: June 18, 1985Assignee: Bayer AktiengesellschaftInventors: Werner Kloker, Klaus Kraft
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Patent number: 4503168Abstract: Described herein is cookware made from a select polyarylethersulfone. The cookware can be used in essentially all cooking oven applications. Also described is a composition suitable for making cookware wherein the composition contains greater than 50 weight percent of the polyarylethersulfone.Type: GrantFiled: May 25, 1983Date of Patent: March 5, 1985Assignee: Union Carbide CorporationInventor: Tyler F. Hartsing, Jr.
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Patent number: 4495333Abstract: Linear, branched and/or cross-linked block copolymers of poylphenylene oxide and polystyrene obtained using phosphoryl coupling agents is disclosed.Type: GrantFiled: November 28, 1983Date of Patent: January 22, 1985Assignee: General Electric CompanyInventor: Dwain M. White
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Patent number: 4493917Abstract: The present invention relates to a plastic blend of polymers, capable of being injected and extruded, the process for producing it and its applications.This blend is produced by extrusion of a matrix of heat-stable material consisting of a polysulfone resin or polyphenylene sulfide and of a filler of a fluorocarbon polymer resin, the extrusion producing a network of interconnected and inter-penetrated fibers of filler within the matrix.This blend can be employed in an aggressive environment and at a high temperature, particularly for the manufacture of components of electrochemical reactors such as electrolysis cells.Type: GrantFiled: November 3, 1983Date of Patent: January 15, 1985Assignee: Electricite de FranceInventors: Christian Bailleux, Michel Bernard, Bernard Dupont, Guy Lozach, Jean-Pierre Mata
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Patent number: 4477630Abstract: A resin composition excellent in sliding characteristics, composed of 95 to 30% by weight of an aromatic polysulfone, 2.5 to 60% by weight of a fluorocarbon polymer and 2.5 to 60% by weight of an oxybenzoyl polyester.Type: GrantFiled: March 9, 1983Date of Patent: October 16, 1984Assignee: Sumitomo Chemical Company, LimitedInventors: Teruo Saito, Kuniaki Asai, Isamu Nakagawa, Tadayasu Kobayashi
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Patent number: 4473684Abstract: Poly(aryl ether)s which contain at least 20% by weight of bis-(3,5-dimethyl-4-oxyphenyl)sulfone structural units exhibit improved glass transition temperatures, improved flame resistance, improved gas permeability and improved alloying compatibility.Type: GrantFiled: April 18, 1983Date of Patent: September 25, 1984Assignee: Union Carbide CorporationInventors: Louis M. Maresca, Herbert S. Chao
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Patent number: 4463112Abstract: Organic polyphosphites are disclosed having in the molecule at least two phosphite ester groups, at least one of which is linked through oxygen to a phenylethylidene-substituted phenyl group and to a residue of a polyhydroxy compound which is a pentaerythritol residue or a residue of a phenol or alcohol having two to three hydroxyl groups separated from one another by at least three carbon atoms.Polymer stabilizer compositions comprising an organic polyphosphite as disclosed and a known polymer stabilizer, as well as synthetic resin stabilized with such stabilizer compositions, are also disclosed.Type: GrantFiled: February 13, 1980Date of Patent: July 31, 1984Inventors: William E. Leistner, Motonobu Minagawa, Yutaka Nakahara, Kazumi Kitsukawa
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Patent number: 4447581Abstract: Sulfur-containing polymers, such as polyphenylene sulfide, are stabilized from releasing sulfur-containing exhaust gases by adding an additive polymer having at least one reactive radical selected from the group consisting of amino radicals, amido radicals, imido radicals, and keto radicals therein, and which is of approximate the same thermal stability as the sulfur-containing polymer, to such sulfur-containing polymer. In other embodiments of the invention, sulfur-stabilization is also achieved by incorporating suitable fundamental building blocks of the additive polymer into the sulfur-containing polymer chain in the form of reactive monomers. Further, in other embodiments, additive polymers or oligomers (so-called telecheles) having reactive radicals at their ends can be introduced into the sulfur-containing polymer chain as copolymers.Type: GrantFiled: June 14, 1982Date of Patent: May 8, 1984Assignee: Siemens AktiengesellschaftInventors: Ferdinand Quella, Hans-Friedrich Schmidt
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Patent number: 4390682Abstract: An aromatic polyester copolymer consisting of 10 to 90 mol % of a recurring unit of the formula: ##STR1## and 90 to 10 mol % of a recurring unit of the formula: ##STR2## and having a logarithmic viscosity number of at least 0.3 as measured in a mixture of phenol and tetrachloroethane (6:4 in weight ratio) at a concentration of 1 g/100 cc at 25.degree. C. and having a terminal carboxyl content of about 80 mol eq./ton or less. This aromatic polyester copolymer has high durability under dry and moist heat as well as high resistance to water crazing and hence can be fabricated into useful articles by various molding techniques.Type: GrantFiled: October 5, 1981Date of Patent: June 28, 1983Assignee: Unitika Ltd.Inventors: Kayomon Kyo, Yasuhiko Asai, Isamu Hirose, Nobuo Suyama
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Patent number: 4350793Abstract: A flame-retardant composition comprising a polyphenylene ether and a polystyrene resin in a weight ratio of between 4:1 to 1:4 in admixture with an aromatic thermoplastic polyphonate having a number average molecular weight of 4,000 to 80,000, said thermoplastic polyphosphonate being present in an amount of 1 to 20 parts by weight per 100 parts by weight of the total mixture.Type: GrantFiled: January 19, 1981Date of Patent: September 21, 1982Assignee: Bayer AktiengesellschaftInventors: Manfred Schmidt, Klaus Reinking
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Patent number: 4344993Abstract: Coatings having very low critical surface tensions comprise (1) a hydrophilic polymer such as polyacrylamide, (2) an ionic perfluorocarbon compound such as 3-[((heptadecafluorooctyl)sulfonyl)amino]-N,N,N-trimethyl-1-propanaminium iodide and (3) a cyclic sulfonium zwitterion cross-linking agent such as 2,2-bis(3-tetrahydrothiophenium-4-oxidophenyl)-propylidene. Such coatings are most advantageously employed as release coatings on internal surfaces of chemical reaction vessels in order to minimize the deposition (build-up) of undesirable materials on such internal surfaces.Type: GrantFiled: September 2, 1980Date of Patent: August 17, 1982Assignee: The Dow Chemical CompanyInventors: Donald L. Schmidt, Malcolm E. Pruitt, Keith I. Dismuke
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Patent number: 4308180Abstract: A rubber composition comprising vulcanizable natural or synthetic rubber and a sulfide resin produced by (1) reacting a component (A) with a componet (B), followed by reacting with a component (D), or (2) reacting a component (A) with a component (B), followed by reacting with a component (C) and a component (D) simultaneously or sequentially, and if desired reacting the resulting phenol resin with an acylating agent, the component (A) being a phenol compound of the following formula, and/or an acylated compound thereof, ##STR1## wherein R.sub.1 and R.sub.2 are each a hydrogen atom, a hydroxyl, carboxyl, amino, C.sub.1 -C.sub.18 alkyl, C.sub.3 -C.sub.10 cycloalkyl, C.sub.3 -C.sub.10 cycloalkenyl or C.sub.7 -C.sub.12 aralkyl group or a phenyl group unsubstituted or substituted with at least one C.sub.1 -C.sub.Type: GrantFiled: March 19, 1980Date of Patent: December 29, 1981Assignee: Sumitomo Chemical Company, LimitedInventors: Haruki Okamura, Tetsuo Yamaguchi, Tamaki Ishii
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Patent number: 4263201Abstract: A flame retardant polycarbonate composition comprising in admixture an aromatic carbonate polymer and a minor amount of a mixture of a metal salt of an organic sulfonate or organic carboxylate, and an organic halogenated compound.This invention relates generally to flame retardant polycarbonate compositions and more particularly to flame retardant compositions containing an aromatic carbonate polymer and a minor amount of a mixture of a metal salt of an organic sulfonate or organic carboxylate, and an organic halogenated compound.Type: GrantFiled: December 7, 1978Date of Patent: April 21, 1981Assignee: General Electric CompanyInventors: Victor Mark, Jimmy L. Webb, Joseph B. Williams
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Patent number: 4259222Abstract: The present invention provides new linear phosphorus- and halogen-containing flame retardant polyester additives for normally flammable polymers and coatings for normally flammable natural and synthetic films and fibers, for instance, polyester and cellulose ester films and fibers. The phosphorus- and halogen-containing polymers of the invention are water dispersible or can be rendered water-soluble. They can be prepared by reacting a phosphorus acid reactant such as phosphoric acid with at least one halogenated difunctional monomer. The water-soluble polyesters can be cross-linked to render them insoluble in water by heating together with a methylol compound.Said halogenated monomer is preferably an oxyalkylated diacid or diol and said halogen is attached either on one or more aromatic rings or on a cycloaliphatic ring.Type: GrantFiled: August 16, 1978Date of Patent: March 31, 1981Assignee: BASF Wyandotte CorporationInventors: Robert B. Login, David D. Newkirk
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Patent number: 4200579Abstract: Novel, rubbery copolymers of ethylene with at least one other .alpha.-alkene such as propylene, and a polyene such as 5-ethylidene norbornene-2, characterized by a differential scanning calorimetry thermogram maximum peak at a temperature between -7 and +11.degree. C., are disclosed. These specific rubbery copolymers when one or more tackifiers are included therein, exhibit an unprecedentedly high tack and consequently provide for the first time EDPM-type compositions that have sufficient building tack for the manufacture of multi-ply articles such as tires.Type: GrantFiled: November 19, 1976Date of Patent: April 29, 1980Assignee: Stamicarbon, B.V.Inventors: Albertus J. Pennings, Arnold Vossebeld
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Patent number: 4174359Abstract: The present invention pertains to a halogen-containing, copolycarbonate blend having improved critical thickness and flammability properties comprising an aromatic copolycarbonate comprising the reaction product of an aromatic diphenol, an aromatic thiodiphenol and a carbonic acid derivative, such as phosgene or carbonyl bromide, blended with an effective amount of a halogen-containing compound. In a preferred embodiment, the copolycarbonate blend also contains small amounts of a perfluoro sulfonic or carboxylic acid salt.Type: GrantFiled: March 29, 1978Date of Patent: November 13, 1979Assignee: Mobay Chemical CorporationInventors: Parameswar Sivaramakrishnan, Arthur L. Baron
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Patent number: 4169117Abstract: The novel coating composition contains a uniformly dispersed perfluorocarbon polymer in an organic solvent solution of an aromatic polysulfone resin; finishes of the novel composition have excellent grease and stain resistance, good thermal stability, toughness and durability and good release properties and are useful as coatings for vessels, appliances, industrial equipment and in particular as release finishes for bakeware and cookware.Type: GrantFiled: November 26, 1975Date of Patent: September 25, 1979Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4160757Abstract: An adhesive composition which shows improved stickiness and adhesive property at room temperature and exhibits an excellent adhering ability in a short time is prepared by compounding(a) an acrylonitrile-containing copolymer having carbon-to-carbon double bond(b) a phenol-polysulfide resin(c) a metal oxide, and(d) a polyfunctional electrophilic reactive compound containing at least two electrophilic reactive groups.Type: GrantFiled: February 28, 1977Date of Patent: July 10, 1979Assignee: Bridgestone Tire Co., Ltd.Inventors: Toshio Honda, Yukio Fukuura, Shoji Tanaka, Itsuo Tanuma, Yoshikatsu Suzuki, Hikaru Ishikawa
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Patent number: RE31448Abstract: A coating composition is provided which comprises (a) 10% to 90% by weight of at least one thermoplastic aromatic .[.polysulphones.]. .Iadd.polysulphone .Iaddend.preferably having a reduced viscosity of at least 0.3 (measured at 25.degree. C. on a solution in dimethyl formamide containing 1 g of polymer in 100 cm.sup.3 of solution) and (b) 90% to 10% by weight of at least one fluorocarbon polymer.Type: GrantFiled: January 29, 1982Date of Patent: November 22, 1983Assignee: Imperial Chemical Industries, Ltd.Inventors: Terence E. Attwood, Barry W. Farrant