Halogen Patents (Class 524/371)
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Patent number: 4581403Abstract: ABS resins are blended with a Br.sub.2 -Br.sub.8 polybrominated diphenyl ether to yield an ABS resin which is flame retardant and transparent.Type: GrantFiled: March 18, 1985Date of Patent: April 8, 1986Assignee: Borg-Warner Chemicals, Inc.Inventor: Thomas W. Stemple
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Patent number: 4578416Abstract: The present invention provides a non-foamed flame-retardant article of polymeric composition comprising at least 20% by weight of a monomer mixture comprising 0-0.1% by weight o-methylstyrene 0-15% by weight m-methylstryene and at least 85% by weight p-methylstyrene; 0-80% by weight of a different ethylenic unsaturated monomer; and a sufficient amount of flame-retardants wherein the amount of flame-retardants is substantially less than would be needed had the p-methylstryene been replaced with styrene analogs. The flame retardancy may be achieved by the addition of antimony compounds and halide flame retardants. High impact resistance is achieved by the incorporation of a rubber polymer into the polymeric composition.Type: GrantFiled: August 31, 1982Date of Patent: March 25, 1986Assignee: Mobil Oil CorporationInventor: Viren P. Trivedi
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Patent number: 4567242Abstract: Compounds useful as flame retarders for organic high molecular compounds are obtained by reacting a polycondensate of a halogenated phenol, e.g. a tribromophenol polycondensate, with a metal compound or organic compound having at least two functional groups capable of reacting with the terminal hydroxyl group of the polycondensate, e.g. an alkaline earth metal halide, an alkyl dihalide or an acyl dihalide.Type: GrantFiled: March 30, 1983Date of Patent: January 28, 1986Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Setsuo Nishibori, Hirohito Komori, Syuji Saeki, Hiromitsu Kinoshita
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Patent number: 4555379Abstract: Ethylene homopolymers and copolymers of ethylene and C.sub.3 -C.sub.8 acylic alpha-olefins prepared with a catalyst comprising the reaction product of a metal organic oxygenated compound, a transition metal organic oxygenated compound and an aluminium halide can be combined with acetylenic high molecular weight diperoxy hexynes or octynes and crosslinked during rotational molding.Type: GrantFiled: April 3, 1985Date of Patent: November 26, 1985Assignee: National Distillers and Chemical CorporationInventors: Melvin F. Maringer, Fred K. Morgan
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Patent number: 4551493Abstract: Transparent flame-retardant poly(arylether-arylsulfone) molding materials preferably contain not less than 50% by weight of units of the formula ##STR1## and, as a flameproofing agent, from 0.1 to 10% by weight, based on the weight of poly(arylether-arylsulfone), of a poly(2,6-dibromophenylene 1,4-oxide) having a molecular weight of from 1000 to 20000, and, if required, a heat stabilizer.The molding materials are useful for the production of shaped articles, films and fibers.Type: GrantFiled: February 21, 1984Date of Patent: November 5, 1985Assignee: BASF AktiengesellschaftInventors: Gerd Blinne, Volker Muench
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Patent number: 4548969Abstract: Ethylene homopolymers and copolymers of ethylene and C.sub.3 -C.sub.8 acylic alpha-olefins prepared with a catalyst comprising the reaction product of a metal organic oxygenated compound, a transition metal organic oxygenated compound and an aluminum halide can be combined with acetylenic high molecular weight diperoxy hexynes or octynes and crosslinked during rotational molding.Type: GrantFiled: May 23, 1983Date of Patent: October 22, 1985Inventors: Melvin F. Maringer, Fred K. Morgan
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Patent number: 4546126Abstract: The tendency to drip of the melt formed from reinforced moulding materials based on thermoplastic polyesters, provided with a flame-retarding finish, when the latter are subjected to an open flame can be prevented by adding phyllosilicates, and the reduction in the toughness properties thereby caused can be prevented by adding alkali metal salts of aliphatic C.sub.6-22 monocarboxylic acids.Type: GrantFiled: July 5, 1984Date of Patent: October 8, 1985Assignee: Ciba Geigy CorporationInventors: Franz Breitenfellner, Thomas Kainmulle
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Patent number: 4532278Abstract: Fibers and fabrics formed from polypropylene as well as other polyolefins and high polymers, are rendered flame retardant by the addition of a bromophenyl compound having the following formula: ##STR1## wherein n is 0 or 1; X is bromine, hydrogen, hydroxyl, or alkyl; and wherein the alkyl portion of these groups may contain hydroxyl and/or oxygen; and wherein the alkyl is preferably a lower alkyl (C.sub.1 -C.sub.4); and wherein there is at least one bromine for each phenyl radical; and a tris (hydroxybenzyl) isocyanurate, particularly tris (3,5-di-t-butyl-4-hydroxybenzyl) isocyanurate. The composition of formula (I) and the isocyanurate are blended into the polymer in the forming operations and the polymer blend is thermally extruded to form a fiber which fiber exhibits exceptionally high flame retardancy, as well as a good white appearance upon extrusion so as to be readily dyed without grey overtones.Type: GrantFiled: April 30, 1982Date of Patent: July 30, 1985Inventor: Henry Hancock
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Patent number: 4532287Abstract: Compositions for flameproofing polymeric material comprising:(a) a halogenated alkylaryl ether, the aryl group of which may be substituted by halogen;(b) an organo-tin compound; and(c) a sterically hindered phenol or a bisphenol containing a sterically hindered --OH group on each phenyl.In this specification by the term "bisphenol" is meant a compound containing two phenol groups linked by a bridging group that is not attached to any other bisphenol groups and by the term "phenol" is meant compounds containing only a single phenol group.Type: GrantFiled: May 11, 1984Date of Patent: July 30, 1985Assignee: Sandoz Ltd.Inventors: Rudolf Bill, Rainer Wolf
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Patent number: 4530880Abstract: A granular flame retardant additive is provided comprising from 70 to 99.5% by weight of an organohalide flame retardant and from 0.5 to 30% by weight of thermoplastic synthetic resin as a binder. The additive is easy to handle and resistant to disintegration during transportation and mixing with fabricating resin pellets. Uniform distribution thereof in fabricated thermoplastic articles is achieved by simply co-feeding the granules and the fabricating resin to a fabricating machine.Type: GrantFiled: January 27, 1984Date of Patent: July 23, 1985Assignees: Sekisui Kaseihin Kogyo Kabushiki Kaisha, Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Akira Taniuchi, Setsuo Nishibori, Hirohito Komori, Motoshige Hayashi
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Patent number: 4524170Abstract: An industrial fabric having a plain woven fabric in which the warp and weft are textured, continuous filament, polyester yarns.Type: GrantFiled: September 13, 1983Date of Patent: June 18, 1985Assignee: Milliken Research CorporationInventors: Charles N. Berczi, Karen Hall
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Patent number: 4522872Abstract: An industrial fabric having a plain woven fabric in which the warp and weft are textured, continuous filament, polyester yarns.Type: GrantFiled: April 25, 1983Date of Patent: June 11, 1985Assignee: Milliken Research CorporationInventors: Charles N. Berczi, Karen Hall
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Patent number: 4521560Abstract: The invention relates to moulding compositions based on thermoplastic polyesters and containing finely particulate calcined magnesium sulfate. The moulded articles obtained with these compositions have increased stiffness and tracking resistance, this latter also in the presence of flame retardants and/or a reinforcing filler.Type: GrantFiled: June 30, 1983Date of Patent: June 4, 1985Assignee: Ciba Geigy CorporationInventor: Franz Breitenfellner
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Patent number: 4502973Abstract: Electroviscous (EV) fluids consisting of solid hydrophilic particles dispersed in hydrophobic liquids, where the liquid contains a diaryl derivative component of general formula I ##STR1## in which R is CY.sub.2,O,S,SO,SO.sub.2,SiF.sub.2, or O--SiY.sub.2 --O,X.sup.1 and X.sup.2 are halogens, (m+n) is between 1 and 3 on average, and (p+q) is between 0 and 1 on average. EV fluids containing these novel components possess generally improved properties in terms of lower viscosities, electrical conductivities, toxicities and freezing points. In a preferred embodiment, the component is a mixture of brominated diphenyl methanes in which R is CH.sub.2,n=O,X.sup.1 =Br,(m+n) is approximately one, and (p+q)=0.Type: GrantFiled: February 3, 1983Date of Patent: March 5, 1985Assignee: National Research Development CorporationInventor: James E. Stangroom
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Patent number: 4496681Abstract: Pellets of a concentrated composition suitable for blending with pellets of styrene-maleic anhydride resins in an extruder are prepared by dispersing an ether having two brominated phenyl groups and a lesser amount of antimony trioxide in a radial block copolymer of about 50% to about 80% vinyl aromatic compound and about 20 to 50% alkadiene, there being from about 10 to about 25% antimony trioxide, from about 30 to about 45% brominated phenyl ether having two brominated phenyl groups and from about 45% to about 55% radial block copolymer, said concentrated composition containing from about 0.05% to about 5% modifiers comprising an antioxidant phenol having sterically hindering alkyl substituents.Type: GrantFiled: December 31, 1980Date of Patent: January 29, 1985Assignee: Atlantic Richfield CompanyInventor: Frank E. Lordi
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Patent number: 4490498Abstract: A resinous composition having an increased flame retardance is disclosed, which comprises (A) 10 to 60% by weight of a mixture comprising 100 parts by weight of a polyolefin resin, 20 to 60 parts by weight of a halogenated organic flame-retardant agent, 7 to 30 parts by weight of antimony trioxide and 10 to 40 parts by weight of zinc borate hydrate, and (B) 90 to 40% by weight of a magnetic body powder. The compositions are endowed with surprising glowing combustion resistance as well as superior flame combustion resistance.Type: GrantFiled: January 17, 1983Date of Patent: December 25, 1984Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Kenichi Yokota, Shigeo Nishita, Takashi Sakauchi
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Patent number: 4469651Abstract: Disclosed is a process for extruding thermoplastic resinous compositions, comprising the steps of heat plastifying the resinous composition in an extruder; cooling the heat plastified resinous composition exiting from the extruder to a uniform temperature desired for extrusion through an extrusion die, including conveying the resinous composition through at least one enclosed flow path in a cooling device, circulating a cooling medium about the entire circumference of each of the resin flow paths and controlling by the means of orifices the flow of thermoplastic at the inlet and the outlet of the cooling device across substantially the entire cross-section of each of the resin flow paths; and, extruding the cooled thermoplastic resinous composition through an extrusion die downstream of the cooling device.Type: GrantFiled: May 16, 1983Date of Patent: September 4, 1984Assignee: Cosden Technology, Inc.Inventors: Granville J. Hahn, Raleigh N. Rutledge
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Patent number: 4467066Abstract: The impact strength of ignition retardant styrenic polymers is improved by incorporating a thermoplastic elastomeric radial block copolymer and a non-thermoplastic polydiene elastomer during the polymerization of the styrenic monomer.Type: GrantFiled: December 23, 1982Date of Patent: August 21, 1984Assignee: Shell Oil CompanyInventor: Robert A. Fletcher
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Patent number: 4458036Abstract: Polyurethane foams prepared from the reaction of polyester polyol with organic isocyanate have improved flame retardance and dripping ember retardance by incorporation of an additive comprising (1) halogenated flame retardant, and (2) organic solvent soluble glycoluril-formaldehyde material.Type: GrantFiled: February 28, 1983Date of Patent: July 3, 1984Assignee: Stauffer Chemical CompanyInventor: Gerald Fesman
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Patent number: 4451586Abstract: Process and apparatus are disclosed for manufacturing foamed articles such as tubes used as pipe insulation, which tubes are of a high impermeability and flexibility and are formed of a polymer, such as polyethylene or polypropylene, containing up to about 25% of an elastomer.Type: GrantFiled: June 30, 1982Date of Patent: May 29, 1984Assignee: Cosden Technology, Inc.Inventors: Alonzo H. Searl, Granville J. Hahn, Raleigh N. Rutledge
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Patent number: 4447572Abstract: Polyamides, flame retarded with a halogenated derivative and blended with a polymer blend resin being at least partially incompatible and having a lower melt viscosity than the polyamide, to improve the arc tracking resistance of the polyamide, are disclosed. The polyamides are particularly useful in the manufacture of flame retarded electrical components.Type: GrantFiled: November 6, 1981Date of Patent: May 8, 1984Assignee: Occidental Chemical CorporationInventors: Daniel J. Scharf, Charles S. Ilardo, Willis T. Schwartz, Gideon Salee
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Patent number: 4446272Abstract: A resin composition having nice color tone and high crack-resistance as well as flame-retardancy is obtained by blending(A) 100 weight parts of a resin composition containing a rubber-reinforced vinyl aromatic polymer and polyphenylene ether represented by the following general formula: ##STR1## wherein each of R.sub.1 and R.sub.2 represents a monovalent residue such as the same or different alkyl group having 1-4 carbon atoms, aryl group, halogen and hydrogen, and n represents the polymerization degree or a polyphenylene ether onto which a vinyl aromatic compound is graft-copolymerized, in which the polyphenylene ether content is 5-70 wt. % (based on the weight of the resin part),(B) 1-30 weight parts of a halogenated aromatic compound and(C) 0.5-20 weight parts of a non-crystalline ethylene-propylene copolymer.Type: GrantFiled: September 10, 1981Date of Patent: May 1, 1984Assignee: Asahi-Dow LimitedInventors: Kunio Fukuda, Kichiya Tazaki, Akihisa Takano, Yuji Kusumi
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Patent number: 4440890Abstract: Described herein is a flame retardant molding composition comprising a particular poly(aryl ketone) and a flame retardant additive which is a metal salt of an aromatic sulfonic acid.Type: GrantFiled: June 21, 1983Date of Patent: April 3, 1984Assignee: Union Carbide CorporationInventor: Lloyd M. Robeson
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Patent number: 4435221Abstract: A process for the removal of poly(arylene sulfide) deposits is provided which comprises contacting said deposits with a solution comprising an alkali metal hydrosulfide in a lactam. In addition, a process for the cleaning of metal parts having poly(arylene sulfide) deposits is provided by contacting the metal parts in the manner as described immediately above, contacting the metal part with a lower alkyl alcohol, washing said metal part with water, drying said metal part, contacting the dried part with concentrated HNO.sub.3 followed by water washing and drying.Type: GrantFiled: July 30, 1982Date of Patent: March 6, 1984Assignee: Phillips Petroleum CompanyInventors: Ronald D. Mathis, Jerry O. Reed
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Patent number: 4433071Abstract: Polyurethane foams prepared from the reaction of polyester polyol with organic isocyanate have improved flame retardance and dripping ember retardance by incorporation of an additive comprising (1) halogenated flame retardant, and (2) water or alcohol soluble urea-formaldehyde resin.Type: GrantFiled: December 14, 1982Date of Patent: February 21, 1984Assignee: Stauffer Chemical CompanyInventor: Gerald Fesman
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Patent number: 4425459Abstract: The impact strength of poly(p-methylstyrene) is improved by incorporating both a thermoplastic elastomer and a non-thermoplastic diene elastomer during the polymerization of the p-methylstyrene.Type: GrantFiled: December 23, 1982Date of Patent: January 10, 1984Assignee: Shell Oil CompanyInventor: Robert A. Fletcher
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Patent number: 4421888Abstract: In an article molded from a non-burning, non-dripping filled polyester composition having a high level of arc resistance and tracking resistance, decay in the arc resistance with time is substantially decreased or prevented by incorporating a minor but critical amount of polyethylene terephthalate. Typical compositions comprise (a) approximately 30 to 60 percent by weight, based on the composition, of a mixture of polyethylene terephthalate and polybutylene terephthalate wherein polyethylene terephthalate comprises approximately 3 to 20 percent by weight; (b) approximately 30 to 60 percent by weight of the composition of a mixture of fiber glass and talc wherein talc comprises approximately 15 to 35 percent by weight of the composition; and (c) an effective amount, up to 20 percent by weight of the composition of a flame retardant additive or a mixture thereof. Typical compositions possess superior electrical properties, comparable to those of thermosetting molding resins.Type: GrantFiled: March 30, 1982Date of Patent: December 20, 1983Assignee: Celanese CorporationInventor: Tsuneyoshi Okada
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Patent number: 4421890Abstract: An improved and economical fire retarding system for polymeric compositions comprising the combination of a halogen-containing hydrocarbon and an oxide of iron; a method of rendering polymeric compositions resistant to flame; and the flame resistant polymeric compositions and products comprising the same.Type: GrantFiled: December 31, 1981Date of Patent: December 20, 1983Assignee: General Electric CompanyInventors: Burton T. MacKenzie, Jr., Sidney Rothenberg
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Patent number: 4410648Abstract: An organic high polymer composition having an improved flame retarding property which is obtained by incorporating into a flame resistive composition comprising (a) an organic high polymer substance, (b) an organic flame retarder and (c) incombustible active inorganic powder (d) a polyfunctional compound and (e) an organic compound represented by the formula: ##STR1## wherein Z is an oxygen atom or a sulfur atom, A is a C.sub.2 -C.sub.20 divalent hydrocarbon group having or not substituents and forming a ring together with the adjacent two carbon atoms and B, and B is an oxygen atom or an amino group: --NY-- (Y being a hydrogen atom, a halogen atom or an organic group having not more than 30 carbon atoms) or its hydrolyzate.Type: GrantFiled: August 17, 1981Date of Patent: October 18, 1983Assignee: Dainichi-Nippon Cables, Ltd.Inventors: Hiroshi Kato, Chiaki Momose
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Patent number: 4410653Abstract: Addition of a selected olefin polymer to a polyamide/decabromodiphenyl ether molding resin reduces blooming in articles molded from the resins.Type: GrantFiled: April 8, 1980Date of Patent: October 18, 1983Assignee: E. I. Du Pont de Nemours and CompanyInventor: Melvin I. Kohan
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Patent number: 4404305Abstract: Translucent polyorganosiloxane resin compositions exhibiting acceptable levels of flame retardancy contain from 1 to 10%, based on resin weight, of an organic halogen source in combination with finely divided glass particles. Translucent substrates coated with these resin compositions can be used in the exterior portions of buildings intended to be heated at least in part by solar energy.Type: GrantFiled: February 16, 1982Date of Patent: September 13, 1983Assignee: Dow Corning CorporationInventor: Beth I. Gutek
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Patent number: 4401783Abstract: Disclosed is a flame retardant thermoplastic elastomeric composition that in the form of an insulation about an electrical conductor is able to meet or exceed the requirements of UL VW-1 Vertical Flame Test and in the form of a jacket about an electrical cable is able to meet or exceed the requirements of IEEE-383 Cable Tray Flame Test while having a limiting oxygen index of only 24 to 27 percent. The composition has an elastomeric component of the type comprising about 25 to about 75 parts by weight of a crystalline olefin resin and about 75 to about 25 parts by weight of a vulcanized monoolefin copolymer rubber comprising a polymer of ethylene or propylene and one other alpha olefin of the formula CH.sub.2 .dbd.CHR where R is an alkyl of 1-12 carbon atoms. The composition includes a non-elastomeric component comprising blending about 20 to about 40 parts by weight of a flame retardant compound and about 5 to about 20 parts by weight of antimony oxide and about 0.Type: GrantFiled: March 26, 1982Date of Patent: August 30, 1983Assignee: Eaton CorporationInventor: Vijayraj M. Kotian
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Patent number: 4395511Abstract: Flame retardant, abrasion resistant elastomeric compositions comprised of thermoplastic polyurethane polymer and flame retarding amounts of a filler selected from decabromodiphenyloxide and antimony oxide in a 3:1 weight ratio, and decabromodiphenyloxide, antimony oxide, and ammonium polyphosphate in a 3:1:3 weight ratio respectively. Also, flame retardant, abrasion resistant, and heat sealable coated fabrics employing such elastomeric compositions as coating film.Type: GrantFiled: March 6, 1981Date of Patent: July 26, 1983Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Richard P. Tschirch, Kenneth R. Sidman
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Patent number: 4388429Abstract: Polyolefins such as polyethylene, polypropylene, and the like are rendered flame retardant by incorporating therein about 2-60 percent of a combination of (1) a Diels-Alder adduct of a chlorinated cyclopentadiene and a polyunsaturated cycloaliphatic compound and (2) a brominated aromatic compound.Type: GrantFiled: April 24, 1981Date of Patent: June 14, 1983Assignee: Occidental Chemical CorporationInventors: Charles S. Ilardo, Daniel J. Scharf
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Patent number: 4380598Abstract: Described herein are flame retardant molding compositions comprising a blend of a polyarylate derived from a dihydric phenol and an aromatic dicarboxylic acid and a flame retardant additive which is a metal salt of an aromatic sulfonic acid. The composition may additionally contain one or more thermoplastic polymers.Type: GrantFiled: February 12, 1981Date of Patent: April 19, 1983Assignee: Union Carbide CorporationInventors: Lloyd M. Robeson, Markus Matzner
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Patent number: 4376182Abstract: Toughened flame retardant polyamide molding blend containing a selected octabromodiphenyl ether and a polymeric toughening agent.Type: GrantFiled: April 28, 1982Date of Patent: March 8, 1983Assignee: E. I. Du Pont de Nemours and CompanyInventor: Paul N. Richardson
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Patent number: 4373048Abstract: An ethylene propylene diene terpolymer composition is suitable for use as an insulator in high voltage electrical connector applications, said insulator being characterized by excellent flame retardancy and resistance, low cost, excellent tensile strength, elongation and Shore "A" Hardness with good flow during molding, the insulator comprising a cured and molded product formed from a composition comprising ethylene propylene diene terpolymer, fillers, a synergistic mixture of flame retardant agents comprising at least a brominated organic flame retardant, a hydrated alumina, antimony oxide, and a flow improver.Type: GrantFiled: July 27, 1981Date of Patent: February 8, 1983Assignee: AMP IncorporatedInventors: Paul C. Schubert, Anil C. Thakrar
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Patent number: 4373047Abstract: Normally flammable polyester resins (a) are rendered flame-retardant with reduced blooming or plate out tendencies and without loss in toughness or other properties in combination with (b) a flame retardant amount of decabromodiphenyl ether and (c) a flame-retardant synergist compound, by including a small amount of (d) an olefin polymer and/or an olefin copolymer. The compositions, which are useful per se for molding, extrusion, and the like, are, in addition, described in impact modified resin compositions and filled and/or reinforced modifications.Type: GrantFiled: November 26, 1980Date of Patent: February 8, 1983Assignee: General Electric CompanyInventors: Stuart C. Cohen, Ronald L. Dieck
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Patent number: 4371653Abstract: The electrical properties of polymeric dielectric materials or compounds including polar additives are enhanced by a method of treating the polar additives with a reactive silicone liquid, and the improved polymeric insulation products of the method.Type: GrantFiled: August 13, 1979Date of Patent: February 1, 1983Assignee: General Electric CompanyInventors: Joseph E. Betts, Fred F. Holub
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Patent number: 4369280Abstract: Polybutylene terephthalate molding compositions which contain a small amount of ethylene-ethyl acrylate copolymer, or an ethylene-vinyl acetate copolymer, or a mixture of these copolymers, and optionally polyethylene, provide moldings which in preferred embodiments possess improved impact resistance and lower specific gravity, without more than negligible loss of other properties. Other conventional modifiers can be present.Type: GrantFiled: August 4, 1981Date of Patent: January 18, 1983Assignee: General Electric CompanyInventors: Ronald L. Dieck, Frank N. Liberti, Allen D. Wambach
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Patent number: 4369136Abstract: Described herein are molding compositions comprising a blend of a poly(aryl ether), a polyester and a compatibilizing amount of an aromatic polycarbonate. These compositions are especially suited for molding articles useful in electrical applications.Type: GrantFiled: March 31, 1980Date of Patent: January 18, 1983Assignee: Union Carbide CorporationInventors: Lloyd M. Robeson, William D. Claus, Jr., Harvey L. Batleman
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Patent number: 4363885Abstract: A bumper having excellent rigidity, resistance to thermal deformation and to mechanical impact at a low temperature and superior lacquer-bonding property is made from a propylene polymer composition comprising:(A) 55 to 65% by weight of at least one crystalline ethylene-propylene block copolymer in which the content of the polymerized ethylene is in the range of from 5 to 10% by weight, in which the polypropylene component has a fraction thereof insoluble in boiling n-heptane, in an amount of 97% or more, in which a fraction thereof soluble in p-xylene at room temperature, has an intrinsic viscosity of from 3 to 4 determined in decahydronaphthalene at a temperature of 135.degree. C. and which has a melt flow index of from 2 to 10;(B) 30 to 35% by weight of at least one amorphous ethylene-propylene copolymer having an intrinsic viscosity of from 2.0 to 3.5 determined in decahydronaphthalene at a temperature of 135.degree. C., and a Mooney viscosity ML.sub.Type: GrantFiled: June 24, 1981Date of Patent: December 14, 1982Assignees: UBE Industries, Ltd., Toyota Jidosha Kigyo Kabushiki KaishaInventors: Osamu Fukui, Yoshiro Umemoto, Tsugumi Sanmiya, Yutaka Sano, Kazuyoshi Tanaka
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Patent number: 4361667Abstract: Thin films of about 1 to 5 mil thick of poly(parabanic acid) (PPA-M form) containing halogenated flame retardants have the flame retardancy enhanced by the addition of small amounts (generally about 0.1 to 3.0 weight percent) of a copper chelate compound.Type: GrantFiled: October 20, 1980Date of Patent: November 30, 1982Assignee: Exxon Research & Engineering Co.Inventor: Burnett H. Johnson
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Patent number: 4359538Abstract: Disclosed is a self-extinguishing polystyrenic composition comprising a polystyrenic resin, a fire-retardant amount of a halogenated organic fire-retardant agent and a nitrogen-containing organic compound selected from the group consisting of amines, amides and ammonium compounds containing from 20 to 40 carbon atoms and their mixtures, said nitrogen-containing compound being used in an amount varying between 0.5 and 50% based on the weight of fire-retardant agent.Type: GrantFiled: April 20, 1981Date of Patent: November 16, 1982Assignee: Labofina, S.A.Inventor: Jean-Noel Marie Bertrand
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Patent number: 4353997Abstract: The disclosure of this application is directed to a water-curable composition comprising a water-curable, silane modified alkylene-alkyl acrylate copolymer, a mineral filler and a halogenated flame retardant additive. These compositions are useful as extrudates about wires and cables providing insulation or jacketing thereon characterized by resistance to deformation and by flame retardancy.Type: GrantFiled: April 2, 1981Date of Patent: October 12, 1982Assignee: Union Carbide CorporationInventor: Michael J. Keogh
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Patent number: 4342678Abstract: The invention relates to glass-reinforced polyester moulding compounds which contain a polyester that is at least 90 mol. % a polyester of 1,4-butanediol and trans-1,4-cyclohexanedicarboxylic acid or polyester forming derivatives thereof. The content of glass fibres is preferably 2 to 60% by weight, based on the moulding compound. The moulding compounds of the invention have improved tracking resistance.Type: GrantFiled: July 9, 1980Date of Patent: August 3, 1982Assignee: Ciba-Geigy CorporationInventors: Lothar Buxbaum, Franz Breitenfellner
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Patent number: 4329272Abstract: Styrene/maleic anhydride polymers can be made more resistant to combustion by incorporation therein of minor amounts of polyvinyl chloride. The compositions can also comprise MBS, ABS and other flame retardant additives.Type: GrantFiled: March 17, 1981Date of Patent: May 11, 1982Assignee: Monsanto CompanyInventor: Daniel L. Dufour
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Patent number: 4327197Abstract: Copolymers of monovinyl aromatic monomers and the anhydrides of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said composition having fire retardant properties.Type: GrantFiled: August 5, 1981Date of Patent: April 27, 1982Assignee: Atlantic Richfield CompanyInventors: Adolph V. Di Giulio, Jack N. Bauer
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Patent number: 4323655Abstract: Rubber-modified copolymers of monovinyl aromatic monomers and the anhydride of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: February 17, 1981Date of Patent: April 6, 1982Assignee: Atlantic Richfield CompanyInventors: Adolph V. DiGiulio, Jack N. Bauer