Halogen Patents (Class 524/164)
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Publication number: 20120264844Abstract: Disclosed are polymer compositions including polycarbonates, polyphosphonates, copoly(phosphonate carbonate)s, and organic salts and/or silicone containing compounds that exhibit a superior combination of properties compared to prior art.Type: ApplicationFiled: April 16, 2012Publication date: October 18, 2012Applicant: FRX POLYMERS, INC.Inventors: Dieter FREITAG, Jan-Pleun LENS, Marc A. LEBEL
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Patent number: 7714047Abstract: The present invention provides a method of producing a fluoropolymer aqueous dispersion by which the fluorine-containing emulsifier contained in the fluoropolymer aqueous dispersion as obtained after polymerization can be efficiently removed as well as a fluoropolymer aqueous dispersion low in fluorine-containing emulsifier concentration. The present invention is a method of producing a fluoropolymer aqueous dispersion which comprises carrying out a concentration treatment comprising a concentration operation of a pretreatment fluoropolymer aqueous dispersion, wherein the pretreatment fluoropolymer aqueous dispersion is obtained by carrying out a polymerization in an aqueous medium in the presence of a fluorine-containing surfactant (A), the fluorine-containing surfactant (A) is a fluorine-containing surfactant having an octanol/water partition coefficient of 1.5 to 3.5.Type: GrantFiled: June 1, 2009Date of Patent: May 11, 2010Assignee: Daikin Industries, Ltd.Inventors: Nobuhiko Tsuda, Chie Sawauchi, Yasuhiko Sawada, Tetsuo Shimizu
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Patent number: 7696268Abstract: The present invention provides a method of producing a fluoropolymer aqueous dispersion by which the fluorine-containing emulsifier contained in the fluoropolymer aqueous dispersion as obtained after polymerization can be efficiently removed as well as a fluoropolymer aqueous dispersion low in fluorine-containing emulsifier concentration. The present invention is a method of producing a fluoropolymer aqueous dispersion which comprises carrying out a concentration treatment comprising a concentration operation of a pretreatment fluoropolymer aqueous dispersion, wherein the pretreatment fluoropolymer aqueous dispersion is obtained by carrying out a polymerization in an aqueous medium in the presence of a fluorine-containing surfactant (A), the fluorine-containing surfactant (A) is a fluorine-containing surfactant having an octanol/water partition coefficient of 1.5 to 3.5.Type: GrantFiled: October 29, 2004Date of Patent: April 13, 2010Assignee: Daikin Industries, Ltd.Inventors: Nobuhiko Tsuda, Chie Sawauchi, Yasuhiko Sawada, Tetsuo Shimizu
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Publication number: 20100051882Abstract: The present invention provides a transparent thermoplastic molding composition made from one member selected from the group consisting of a transparent copolyestercarbonate resin, a transparent blend of a polycarbonate resin with a polyester resin, and a transparent polyester resin, from about 0.Type: ApplicationFiled: August 27, 2008Publication date: March 4, 2010Inventors: Xyiangyang Li, James P. Mason
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Patent number: 7511089Abstract: An alkali metal or alkaline earth metal salt of sulfonic acid of polyphenylene ether oligomer is useful as a modifier for thermoplastic resins, typically as a flame retardant, compatibilizing agent or antistatic agent.Type: GrantFiled: September 8, 2005Date of Patent: March 31, 2009Assignees: Shin-Etsu Chemical Co., Ltd., Mitsubishi Gas Chemical Company, Inc.Inventors: Akinari Itagaki, Masaki Tanaka, Masaaki Yamaya, Takahiro Adachi, Yasumasa Norisue, Satoshi Kanayama
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Patent number: 7435770Abstract: The present invention provides a polymeric-type antistatic agent containing a polymer composition consisting of a polymeric-type antistatic agent containing a resin or/and an elastomer as a main component thereof; or/and a thermoplastic resin having a polar group or/and an elastomer having the polar group. At least one kind of an anion-containing salt, having a fluoro group and a sulfonyl group, is added to the polymer composition without intermediary of a medium consisting of a low-molecular-weight polyether-containing compound or a low-molecular-weight polar compound whose number-average molecular weight is not more than 5000. The present invention also provides a composition, for a conductive roller or the like, containing polymer components and the polymeric-type antistatic agent dispersed in the polymer components.Type: GrantFiled: September 26, 2006Date of Patent: October 14, 2008Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Takayuki Hattori, Katsumi Terakawa, Tetsuo Mizoguchi, Kenichi Uesaka, Toshiaki Sakaki, Hiromasa Okubo, Noriaki Fujihana, Yoshiharu Tatsukami
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Patent number: 7390450Abstract: A process for producing a fire resistant polycarbonate composition comprises preparing an aqueous solution of a flame retardant salt; and compounding the aqueous solution of the flame retardant salt with a polycarbonate composition to form the fire resistant polycarbonate composition. The process reduces the level of haze, color and inclusions compared to fire resistant polycarbonate compositions compounded with the same flame retardant salt in solid form.Type: GrantFiled: June 7, 2002Date of Patent: June 24, 2008Assignee: General Electric CompanyInventors: Theodorus Lambertus Hoeks, Adrianus A. M. Kusters
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Patent number: 7226965Abstract: The present invention provides a polymeric-type antistatic agent containing a polymer composition consisting of a polymeric-type antistatic agent containing a resin or/and an elastomer as a main component thereof; or/and a thermoplastic resin having a polar group or/and an elastomer having the polar group. At least one kind of an anion-containing salt, having a fluoro group and a sulfonyl group, is added to the polymer composition without intermediary of a medium consisting of a low-molecular-weight polyether-containing compound or a low-molecular-weight polar compound whose number-average molecular weight is not more than 5000. The present invention also provides a composition, for a conductive roller or the like, containing polymer components and the polymeric-type antistatic agent dispersed in the polymer components.Type: GrantFiled: January 14, 2004Date of Patent: June 5, 2007Assignees: Sumitomo Rubber Industries, Ltd., Sanko Chemical Industry Co., Ltd.Inventors: Takayuki Hattori, Katsumi Terakawa, Tetsuo Mizoguchi, Kenichi Uesaka, Toshiaki Sakaki, Hiromasa Okubo, Noriaki Fujihana, Yoshiharu Tatsukami
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Patent number: 7135538Abstract: A composition includes a polycarbonate-polysiloxane block copolymer that has at least one polycarbonate block and at least one polysiloxane block, and a surface modifying agent that includes at least one polysiloxane segment. Increased levels of the surface modifying agent can be incorporated without compromising high transmittance and low haze. The compositions also exhibit improved hemocompatibility and are therefore useful for a variety of articles that may contact blood.Type: GrantFiled: September 24, 2004Date of Patent: November 14, 2006Assignee: General Electric CompanyInventors: Katherine Glasgow, Adam Zerda, Dibakar Dhara, Vikram Kumar, Matthew Robert Pixton
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Patent number: 7067075Abstract: The object of the present invention is to provide a flame-retardant thermoplastic resin composition, which comprises: 100 parts by weight of a thermoplastic resin (A), 0.1 to 30 parts by weight of a polyorganosiloxane-containing graft copolymer (B) obtained by polymerizing, in at least one stage, a monomer (B-3) comprising a polyfunctional monomer (B-2) containing at least two polymerizable unsaturated bonds within the molecule thereof, and/or a vinyl monomer (B-4) in the presence of polyorganosiloxane particles (B-1), 0.0005 to 5 parts by weight of at least one metal salt (C) selected from the group consisting of alkali metal salts and bivalent or further polyvalent metal salts, and 0.05 to 2 parts by weight of a fluororesin (D).Type: GrantFiled: April 25, 2003Date of Patent: June 27, 2006Assignee: Kaneka CorporationInventors: Kazunori Saegusa, Tomomichi Hashimoto, Hiroshi Tsuneishi, Nobuo Miyatake, Hiroshi Tone, Akira Takaki
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Patent number: 6982292Abstract: The invention relates to a process to make stabilized PVC wherein use is made of at least one compound of the formula wherein M is selected from the group consisting of alkali metals, alkali earth metals, Al, and transition elements, and R is selected from the group consisting of substituted, linear or branched, alkyl, cycloalkyl, aryl, alkaryl, and aralkyl moieties, the substituents comprising at least one or more electron-withdrawing groups, as a color stability booster.Type: GrantFiled: August 6, 2002Date of Patent: January 3, 2006Assignee: Akzo Nobel NVInventors: Daniƫl Stephan Van Es, Jacco Van Haveren, Augustinus Emmanuel Frissen, Johannes Cornelis Van Der Kolk, Gerard Hubert Frans Schmets, Hendrik Willem Huisman, Heather Blue Harvey
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Patent number: 6660787Abstract: A transparent, fire resistant branched polycarbonate-polysiloxane composition comprises polycarbonate, a short-chained polydiorganosiloxane, a branching agent, and flame retardants essentially free of bromine or chlorine, wherein the amount of short-chained polydiorganosiloxane is about 1 wt. % or less.Type: GrantFiled: July 18, 2001Date of Patent: December 9, 2003Assignee: General Electric CompanyInventors: James Alan Mahood, Niles Richard Roscnquist, Rajendra Kashinath Singh
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Patent number: 6657018Abstract: Block copolymers suitable as molding resins are provided having polycarbonate blocks and polysiloxane blocks of the structure where R1, R2, Y and m are as defined herein, and where the weight percentage of blocks of polycarbonate blocks is from 92 to 96% and the weight percentage of siloxane from blocks of polysiloxane blocks is from 4 to 8%.Type: GrantFiled: June 1, 2000Date of Patent: December 2, 2003Assignee: General Electric CompanyInventor: James Franklin Hoover
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Publication number: 20030166752Abstract: The present invention relates to a halogen containing polymer compound containing a modified zeolite stabilizer. The modified zeolite stabilizer has a small particle diameter, narrow particle size distribution and less than 10 weight percent water. The modified zeolite stabilizer is formed by shock annealing, coating or a combination of the two methods.Type: ApplicationFiled: March 7, 2003Publication date: September 4, 2003Applicant: Noveon IP Holdings Corp.Inventors: Robert E. Detterman, Nancy A. Hamerly, Carole A. Lepilleur, Anthony M. Mazany, David L. Milenius, Arthur L. Backman
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Patent number: 6602938Abstract: This invention is a flame resistant polycarbonate resin composition characterized by blending 0.01-2 weight parts of a silicone compound (B)) wherein a main chain has a branch structure and having an aromatic group in an organic substituent, 0.01-2 weight parts of an alkali metal salt of an aromatic sulfonic acid (C) represented by the following general formula 1 (hereafter, referred to as general formula 1), and 0.05-5 weight parts of a fiber-forming fluorine-containing polymer (D), relative to 100 parts of a polycarbonate resin (A): General formula 1: Am—R—(SO3M)n (wherein, R is a phenyl group, naphthyl group, or a phenyl group or naphthyl group substituted by A, where A is at least one type of substituent chosen from a group comprising a halogen atom, alkyl group, aryl group, vinyl group, alkoxy group, amino group, methyl ester group and ethyl ester group, and M is an alkali metal.Type: GrantFiled: October 11, 2001Date of Patent: August 5, 2003Assignees: Sumitomo Dow Ltd., NEC Corp.Inventors: Masatoshi Iji, Shin Serizawa, Satoshi Umeyama, Tadashi Shinomiya, Ichiro Sato
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Patent number: 6531526Abstract: The present invention relates to a halogen containing polymer compound containing a modified zeolite stabilizer. The modified zeolite stabilizer has a small particle diameter, narrow particle size distribution and less than 10 weight percent water. The modified zeolite stabilizer is formed by shock annealing, coating or a combination of the two methods.Type: GrantFiled: March 9, 2000Date of Patent: March 11, 2003Assignee: Noveon IP Holdings Corp.Inventors: Robert E. Detterman, Nancy A. Hamerly, Carole A. Lepilleur, Anthony M. Mazany, David L. Milenius, Arthur L. Backman
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Patent number: 6369141Abstract: The present invention provides a flame-retardant polycarbonate resin composition which comprises (a) 100 parts by weight of an aromatic polycarbonate resin, (b) 0.5-40 parts by weight of a phosphorus-containing flame retardant, (c) 0.01-5 parts by weight of polyfluoroethylene, (d) 0-5 parts by weight of sulfonic acid metal salt, and (e) 0.5-30 parts by weight of a multi-layered polymer having a core made of an elastic polymer having a glass-transition temperature (Tg) lower than a room temperature, and an outer layer made of a thermoplastic resin having an adhesiveness or miscibility to polycarbonate, provided that the composition comprises 3-40 parts by weight of a phosphorus-containing flame retardant when said composition comprises substantially no sulfonic acid metal salt.Type: GrantFiled: November 16, 1999Date of Patent: April 9, 2002Assignee: Mitsubishi Engineering-Plastics CorporationInventors: Kazuhiko Ishii, Ken Shimomai, Michio Nakata
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Patent number: 6180702Abstract: A thermoplastic molding composition comprising polycarbonate resin and additive, positive, amounts of stabilizer and salt is disclosed. The composition is characterized by its freedom from splay and by its improved flame retardance. The stabilizer of the invention is a physical mixture of poly(alkyl methacrylate) with fluorinated polyolefin, and the salt is an alkali metal or alkaline earth metal salt of perfluoroalkane sulfonic acid, aromatic sulfimide, or aromatic sulfonic acid.Type: GrantFiled: August 9, 1999Date of Patent: January 30, 2001Assignee: Bayer CorporationInventors: James Y. J. Chung, Sivaram Krishnan, Winfried G. Paul
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Patent number: 6072011Abstract: Block copolymers suitable as molding resins are provided having polycarbonate blocks and polysiloxane blocks of the structure ##STR1## where R.sup.1, R.sup.2, Y and m are as defined herein, and where the weight percentage of blocks of polycarbonate blocks is from 92 to 96% and the weight percentage of siloxane from blocks of polysiloxane blocks is from 4 to 8%.Type: GrantFiled: November 29, 1994Date of Patent: June 6, 2000Assignee: General Electric CompanyInventor: James Franklin Hoover
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Patent number: 6031036Abstract: Disclosed are aromatic brominated polycarbonate/polyester carbonate/silicone polyimide compositions having improved flame resistance and reduced drippage and heat release rate, comprising by weight:(A) from about 20 to about 77 parts of an aromatic brominated polycarbonate resin;(B) from about 20 to about 77 parts of a polyester carbonate resin;(C) from about 0.5 to about 10 parts of a silicone-polyimide resin;(D) from about 0 to about 25 parts of an aromatic polycarbonate having a molecular weight of from about 40,000 to about 90,000; the sum of (A)-(D) being 100 parts by weight;(E) from about 0.05 to about 2.0 parts of a metal salt of a halogenated monomeric or polymeric aromatic sulfonic acid or mixtures thereof, wherein the metal salt is selected from the group consisting of alkali metal salts, alkaline earth metal salts, and mixtures of the metal salts; and(F) from about 0.1 to about 5.0 parts by weight of filler or a pigment.Type: GrantFiled: December 10, 1993Date of Patent: February 29, 2000Assignee: General Electric CompanyInventors: Niles Richard Rosenquist, Angelika Howard Clark
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Patent number: 5777009Abstract: A polyestercarbonate copolymer blend which exhibits a glass transition temperature lower than bisphenol-A carbonate homopolymer, shows improved processability and fire-retardancy. The desired lower Tg and improved flow can be achieved by the polycondensation of a dihydric phenol and aliphatic dicarboxylic acid. The condensate is polymerized with a carbonate forming reagent. The resin is fire-retarded with a mixture of halogenated polycarbonate, potassium diphenylsulfone sulfonate and polytetrafluoroethylene.Type: GrantFiled: October 25, 1996Date of Patent: July 7, 1998Assignee: General Electric CompanyInventors: Wie-Hin Pan, Dwight J. Patterson, Omar M. Boutni, Luca P. Fontana
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Patent number: 5744537Abstract: Enhanced fidelity of pattern transfer of aqueous developable photoresist compositions is achieved with top antirefective coatings which are fluorine-containing and have a refractive index approximately equal to the square root of the underlying photoresist and which are removable in the developer for the photoresist.Type: GrantFiled: May 27, 1997Date of Patent: April 28, 1998Assignee: International Business Machines CorporationInventors: William R. Brunsvold, George J. Hefferon, Christopher F. Lyons, Wayne M. Moreau, Robert L. Wood
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Patent number: 5659058Abstract: A process for rendering polymer compositions antistatic and the products of such process are described. The polymeric material is treated with a combination of selected trineoalkoxy amino zirconates and trineoalkoxy sulfonyl zirconates. These latter materials are soluble in the polyolefins, polyesters, polyamides, polyethers, polycarbonates, and polystyrenes and remain stable during the processing of these polymers. Furthermore, the antistatic agents of the invention are thermally stable to temperatures up to 825.degree. F., do not "bloom" during the polymer processing, and are colorless, permanent, non-blooming and non-moisture dependent.Type: GrantFiled: May 31, 1995Date of Patent: August 19, 1997Assignee: Kenrich Petrochemicals, Inc.Inventor: Salvatore Joseph Monte
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Patent number: 5326800Abstract: The invention relates to use of salts of sulphonic acids, phosphonic acids and/or carboxylic acids in combination with halogenated phthalimides for additional processing of glass fibre-containing polycarbonate moulded members.Type: GrantFiled: March 11, 1993Date of Patent: July 5, 1994Assignee: Bayer AktiengesellschaftInventors: Klaus Horn, Jurgen Kirsch, Richard Weider, Hugo Obermann, Dieter Freitag, Karsten-Josef Idel
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Patent number: 5274017Abstract: Aromatic carbonate polymers are flame retarded by an effective amount of a metal oxide of aluminum, magnesium, lithium, lanthanum, bismuth or yttrium. Colloidal aluminum oxide on silica is particularly effective.Type: GrantFiled: November 24, 1989Date of Patent: December 28, 1993Assignee: General Electric CompanyInventor: Wie-Hin Pan
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Patent number: 5256714Abstract: Disclosed are flame retardant poly(butylene terephthalate) resins comprising:(i) at least one polyester resin; and(ii) a flame retardant effective amount of a mixture comprising (a) a polyphosphonate ester, (b) an ammonium polyphosphate, and (c) a halogenated benzosulfonate.Type: GrantFiled: September 10, 1991Date of Patent: October 26, 1993Assignee: General Electric CompanyInventors: Ping Y. Liu, Nan-I Liu
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Patent number: 5140056Abstract: The invention relates to the use of salts of sulfosuccinic acid esters as internal antistatic agents, take-off and winding aids for transparent cast films of polycarbonates, to a process for the production of cast polycarbonate films and to the cast polycarbonate films themselves containing salts of sulfosuccinic acids and also to the use of the new cast polycarbonate films in the electrical field and optical field.Type: GrantFiled: February 21, 1990Date of Patent: August 18, 1992Assignee: Bayer AktiengesellschaftInventors: Volker Wiskamp, Dittmar Nerger, Bernhard Schulte, Werner Waldenrath
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Patent number: 5118739Abstract: A novel flame retardant formulation comprising a flammable macromolecular material and a metal salt of a polybrominated sulfonic acid and having improved flame retardancy and enhanced U.V. stability.Type: GrantFiled: June 20, 1990Date of Patent: June 2, 1992Assignee: Ethyl CorporationInventors: Burton J. Sutker, Saadat Hussain
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Patent number: 4931503Abstract: A composition comprising an admixture of(a) an aromatic polycarbonate of intrinsic viscosity of from about 0.35 to about 0.41 dl/g, measured in methylene chloride at about 25.degree. C., said aromatic polycarbonate chain terminated with an endcapping agent which provides the polycarbonate with improved ductility and higher Tg when compared to a paratertiary butyl phenol encapped polycarbonate of the same intrinsic viscosity;(b) a core/shell copolymer comprising a conjugated diene with a Tg of less than or equal to -10.degree. C. as the core, said core being about 50 to 90 wt.Type: GrantFiled: December 28, 1988Date of Patent: June 5, 1990Assignee: General Electric CompanyInventors: Omar M. Boutni, Linda H. Nelson, Dwight J. Patterson, Charles F. Pratt, Herman B. Savenije
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Patent number: 4909959Abstract: The subject of the invention is mainly an electrically conductive polymer containing repeated units derived from 3-alkythiophenes in which the alkyl substituent contains from six to nine carbon atoms.The invention also relates to a process for manufacturing these polymers and to electroconductive devices containing them.Type: GrantFiled: April 1, 1987Date of Patent: March 20, 1990Assignee: Solvay & Cie (societe Anonyme)Inventors: Marc Lemaire, Jean Roncali, Robert Garreau, Francis Garnier, Etienne Hannecart
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Patent number: 4767818Abstract: A composition comprising an aromatic polycarbonate having a number average molecular weight of from about 6,000 to about 12,000 in admixture with(a) at least 3 weight percent of a polymer selected from the group consisting of a random block copolymer having polycarbonate block(s) and diorganosiloxane block(s); and a block copolymer of a vinylaromatic and an alkadiene;(b) a flame retardant package comprising a flame retardant salt, said package in quantities sufficient to achieve V.sub.0 or V.sub.1 in a part 93 mils thick; and(c) said composition having an exterior gloss of less than about 80 as measured by a Gardner Glossmeter at 60.degree. gloss.Type: GrantFiled: March 23, 1987Date of Patent: August 30, 1988Assignee: General Electric CompanyInventor: Omar M. Boutni
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Patent number: 4737557Abstract: A 3-n-alkylthiophene polymer of the general formula: ##STR1## (wherein n stands for an integer in the range of 5 to 11 and m for an integer in the range of 80 to 350) and a composition containing this polymer.Type: GrantFiled: March 20, 1987Date of Patent: April 12, 1988Assignees: Agency of Industrial Science and Technology, Ministry of International Trade and IndustryInventors: Masaaki Sato, Susumu Tanaka, Kyoji Kaeriyama, Yoshio Suda
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Patent number: 4579903Abstract: Copolyester-carbonate composition exhibiting improved resistance to organic solvents comprising, in admixture:(i) at least one aromatic copolyester-carbonate resin;(ii) at least one aromatic polycarbonate resin;(iii) at least one selectively hydrogenated block copolymer of a vinyl aromatic compound and an olefinic elastomer; and(iv) at least one polymer selected from an olefin acrylate copolymer, an olefin diene terpolymer, or mixtures thereof. The instant composition also exhibits improved impact properties and relatively high heat resistance.Type: GrantFiled: December 19, 1984Date of Patent: April 1, 1986Assignee: General Electric CompanyInventors: Ping Y. Liu, Edward L. Belfoure
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Patent number: 4478967Abstract: Surfactants which are blocked against surfactant action (identified herein as "photolabile blocked surfactants") by a photolabile protective or masking group but which, on exposure to actinic radiation, become unblocked are provided. Coating compositions in which surfactant is formed on irradiation are provided by blending the photolabile blocked surfactant with polymeric film-forming materials.Compositions containing the photolabile blocked surfactants are useful when employed as protective coatings on various substrates or as the adhesive in a pressure sensitive adhesive tape. Although initially well adhering to a substrate, such compositions may be readily removed from the substrate following exposure of the same to suitable radiation which unblocks the surfactant to permit it to regain its surfactant activity.Type: GrantFiled: August 11, 1980Date of Patent: October 23, 1984Assignee: Minnesota Mining and Manufacturing CompanyInventors: Gilbert L. Eian, John E. Trend
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Patent number: 4477637Abstract: A flame resistant polycarbonate blend comprising an alkylated aromatic polycarbonate and a sulfur-bearing compound characterized in exhibiting V-0 flame resistance classification, according to UL-94, is provided. Further provided is a process for the preparation of such blend.Type: GrantFiled: August 27, 1980Date of Patent: October 16, 1984Assignee: Mobay Chemical CorporationInventor: Sivaram Krishnan
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Patent number: 4454275Abstract: An improved flame retardant polyester-carbonate composition comprised of an admixture of (i) an aromatic polyester-carbonate, (ii) an organic alkali metal salt of sulfonic acid or an organic alkaline earth metal salt of sulfonic acid or mixtures thereof, and (iii) a fluorinated polyolefin.Type: GrantFiled: August 11, 1982Date of Patent: June 12, 1984Assignee: General Electric CompanyInventor: Niles R. Rosenquist
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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: 4438231Abstract: The compositions of the invention comprise from about 70 to 85 parts by weight of a high molecular weight polycarbonate resin, from about 10 to 30 parts by weight of a copolymer of tetrabromobisphenol-A and bisphenol-A, from about 1 to 5 parts by weight of a multiphase composite interpolymer of an acrylate and a methacrylate, from about 0.5 to 5 parts by weight of a copolymer of an olefin and acrylate and an effective amount of a flame retardant alkali metal salt.Type: GrantFiled: January 29, 1982Date of Patent: March 20, 1984Assignee: General Electric CompanyInventor: Ping Y. Liu
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Patent number: 4391935Abstract: An improved flame retardant polycarbonate composition of an aromatic carbonate polymer in admixture with an organic alkali metal salt or an organic alkaline earth metal salt or mixtures thereof, which composition has in admixture therewith a fluorinated polyolefin.Type: GrantFiled: May 4, 1981Date of Patent: July 5, 1983Assignee: General Electric CompanyInventors: Charles A. Bialous, John B. Luce, Victor Mark
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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