Phosphorus Double Bonded To An Atom Other Than C Or O Patents (Class 524/122)
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Patent number: 7148275Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a phenol resin derivative having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of a phenol resin derivative, and (C) about 0.1˜50 parts by weight of a phosphorous compound or a mixture of phosphorous compounds.Type: GrantFiled: December 26, 2001Date of Patent: December 12, 2006Assignee: Cheil Industries Inc.Inventors: Jae Ho Yang, Sang Hyun Hong, Gyu Chul Lee, Young Gil Jang, Su Hak Bae
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Patent number: 7091266Abstract: A flame-retardant composition comprises a polyphenylene ether resin having a number average molecular weight in terms of polystyrene of 500 to 5,000 and a phosphazene compound, the content of the polyphenylene ether being 20 to 95% by weight and that of the phosphazene compound being 80 to 5% by weight. The flame-retardant composition is excellent in processability when added to resins, and can provide a resin composition that contains no halogens and has an excellent balance of processability, heat resistance and flame retardancy.Type: GrantFiled: May 27, 2003Date of Patent: August 15, 2006Assignee: Asahi Kasei Kabushiki KaishaInventors: Fumiki Murakami, Junnichi Nakahashi, Atsushi Nanasawa
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Patent number: 7060744Abstract: A phosphazene composition which has a content of volatile components of not less than 0.02% by weight and not more than 1.0% by weight when it is heated at 200° C. for 2 hours; is excellent in resistance to hydrolysis, and when the phosphazene composition is added to a resin, there is provided a resin composition which highly maintains the balance of resistance to hydrolysis, flame retardancy and stability of electric characteristics in a high-frequency field of not less than 1 GHz.Type: GrantFiled: August 27, 2003Date of Patent: June 13, 2006Assignee: Asahi Kasei Chemicals CorporationInventors: Fumiki Murakami, Jun-ichi Nakahashi, Atsushi Nanasawa, Tomoyuki Fujita
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Patent number: 7015303Abstract: A solution of a polyketone as a copolymer of carbon monoxide and one or more olefins, wherein 90 wt % or more of said copolymer comprises carbon monoxide units and olefin units, and a solvent is an aqueous solution of at least one member selected from the group consisting of zinc salts, calcium salts, thiocyanates and iron salts.Type: GrantFiled: August 5, 1999Date of Patent: March 21, 2006Assignee: Asahi Kasei Kabushiki KaishaInventors: Jinichiro Kato, Toru Morita, Kiyoshi Fujieda
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Publication number: 20040225041Abstract: The object of the present invention is to provide a flame-resistant fiber which possesses low negative effects on the environment and humans, such as emission of hazardous substances, which displays excellent both flame and weather resistance, and which does not reduce spinnability and fiber strength, and is able to provide a fiber molding obtained from the fiber. A flame-resistant fiber comprising at least one type of phosphazene derivatives selected from cyclic phosphazene derivatives and linear phosphazene derivatives, a hindered amine derivative containing specific groups, and a thermoplastic resin, wherein the fiber contains 0.25-5.0 wt % of the phosphazene derivative and 0.025-3.0 wt % of the hindered amine derivative, and the fiber fineness is 0.01-100 dtex.Type: ApplicationFiled: April 19, 2004Publication date: November 11, 2004Inventors: Yukinori Kataoka, Masaru Andoh, Kyuzo Namura
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Patent number: 6750275Abstract: The present invention relates to vulcanizable rubber mixes which, apart from the rubbers, contain O,O-bis-(alkyl)-dithiophosphoric acid polysulfides and primary and/or secondary amines, which are characterized in that they may be vulcanized without release of nitrosamines with a high crosslink density and a high proportion of short sulfur bridges.Type: GrantFiled: January 18, 2001Date of Patent: June 15, 2004Assignee: Rhein Chemie Rheinau GmbHInventors: Thomas Früh, Ludger Heiliger, Thomas Kleiner, Hermann-Josef Weidenhaupt, Robert-Hans Schuster, Joachim Kiesekamp
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Patent number: 6747078Abstract: The present invention relates to thermoplastic polycarbonate molding compositions which contain phosphazenes and special graft polymers produced by means of redox initiator systems and are distinguished by substantially improved mechanical properties.Type: GrantFiled: December 21, 2000Date of Patent: June 8, 2004Assignee: Bayer AktiengesellschaftInventors: Thomas Eckel, Michael Zobel, Dieter Wittmann
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Patent number: 6740695Abstract: The present invention relates to polycarbonate/ABS moulding compositions with incorporated phosphazenes which exhibit excellent flame resistance and very good processing characteristics, wherein the graft polymer is produced by bulk, solution or bulk/suspension polymerization processes.Type: GrantFiled: December 21, 2000Date of Patent: May 25, 2004Assignee: Bayer AktiengesellschaftInventors: Thomas Eckel, Michael Zobel, Dieter Wittmann
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Publication number: 20030232901Abstract: Disclosed are paint scenting additive mixtures formulated to be introduced into paint compositions as a stable dispersion therein to produce a scented paint which provides a pleasant and long-lasting fragrance or aroma in an ambient surrounding where the scented paint is applied as well as processes for producing scented paints utilizing such additive mixtures and the scented products produced therewith.Type: ApplicationFiled: June 17, 2002Publication date: December 18, 2003Applicant: Scentco, LLC.Inventors: Robert Maleeny, Doug Vick, James Kinney, David Ziser, Richard Laky
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Patent number: 6635697Abstract: The present invention provides a flame-retardant which is not only excellent in flame-retarding property but also devoid of lowering moisture-resisting property specially in the course of molding of a resin so that the flame-retardant has little limitation for the molding method, the molding conditions and the intended use thereof. What is characterized is a flame-retardant comprising (a) an aliphatic amine salt of a phosphoric ester with 2-25 carbon atoms in the ester moiety thereof having a melting point of at least 100° C. but not more than a molding temperature of a thermoplastic resin and (b) a salt of phosphoric and/or polyphosphoric acid, the proportion of the component (a) to the component (b), i.e. (a)/(b) being 1/2-5/1 by weight ratio.Type: GrantFiled: January 24, 2001Date of Patent: October 21, 2003Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Tetsuo Kuwaki, Yasunobu Nakamura, Yasuhiro Muneuchi
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Patent number: 6569929Abstract: The present invention relates to a method for preparing phosphoramides having a glass transition temperature in one embodiment of at least about 0° C., in another embodiment of at least about 10° C., and in still another embodiment of at least about 20° C., the phosphoramides being substantially free of acidic, basic, or halide impurities, or their precursors. The invention also relates to resin compositions comprising at least one thermoplastic resin and at least one phosphoramide having a glass transition temperature of at least about 0° C., wherein the phosphoramide is prepared by the method of the invention.Type: GrantFiled: May 4, 2001Date of Patent: May 27, 2003Assignee: General Electric CompanyInventors: Neal Steven Falcone, John Robert Campbell, James Ross Fishburn
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Patent number: 6521689Abstract: An object of this invention is to impart excellent flame retardancy to an aromatic polyamide resin without use of a halogen compound which is responsible for generation of gases harmful to the human body and without decreasing preferred properties (e.g. mechanical properties, and molding processability) inherently possessed by aromatic polyamide resins, the flame-retardant aromatic polyamide resin composition of this invention comprising (a) 100 parts by weight of an aromatic polyamide resin, (b) 0.1 to 100 parts by weight of a crosslinked phosphazene compound which is a compound crosslinked with a crosslinking group, such as phenylene groups, the crosslinking group being interposed between the two oxygen atoms left after the elimination of phenyl groups from the phosphazene compound, no free hydroxyl group being present in the molecule, the amount of all phenyl groups in the crosslinked compound being 50 to 99.Type: GrantFiled: July 6, 2001Date of Patent: February 18, 2003Assignee: Otsuka Chemical Co., Ltd.Inventors: Tadao Yabuhara, Yuji Tada, Shinji Nakano, Takashi Kameshima, Yoichi Nishioka, Hiroyuki Takase
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Patent number: 6350804Abstract: The invention relates to compositions comprising an organoclay and polyphenylene ether resin and blends containing polyphenylene ether resin. In a preferred embodiment, the compositions exhibit physical properties that are enhanced over compositions containing clay of the prior art. The invention also relates to methods to enhance the ductility of thermoplastic compositions as compared to compositions containing clay of the prior art. The invention also relates to articles made from the compositions.Type: GrantFiled: April 14, 1999Date of Patent: February 26, 2002Assignee: General Electric Co.Inventors: Adeyinka Adedeji, John R. Campbell, Farid Fouad Khouri, Patrick A. Rodgers
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Publication number: 20010012866Abstract: The present invention relates to vulcanizable rubber mixes which, apart from the rubbers, contain O,O-bis-(alkyl)-dithiophosphoric acid polysulfides and primary and/or secondary amines, which are characterized in that they may be vulcanized without release of nitrosamines with a high crosslink density and a high proportion of short sulfur bridges.Type: ApplicationFiled: January 18, 2001Publication date: August 9, 2001Inventors: Thomas Fruh, Ludger Heiliger, Thomas Kleiner, Hermann-Josef Weidenhaupt, Robert-Hans Schuster, Joachim Kiesekamp
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Patent number: 6140398Abstract: A novel composition of matter comprising the reaction product of a phosphoryl compound, a salicylic acid derivative, and an organic compound containing two groups having hydroxyl functionality is provided. This composition has utility as a fire retardant chemical.Type: GrantFiled: July 7, 1999Date of Patent: October 31, 2000Assignee: Rhodia Inc.Inventor: Johnson D. Koola
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Patent number: 6093759Abstract: Flame-retardant thermoplastic molding compositions compriseA) from 5 to 99% by weight of a thermoplastic polymer,B) from 0.1 to 50% by weight of a phosphazene of the general formula I(PN.sub.2-x H.sub.1-y).sub.z Iwhere the numerical values of x, y and z, independently of one another, are as follows:1>x>0.051>y>0.05z>1, andC) from 0 to 70% by weight of other additives and processing aids,where the total of the percentages by weight of components A) to C) is 100%.Type: GrantFiled: October 15, 1998Date of Patent: July 25, 2000Assignee: BASF AktiengesellschaftInventors: Brigitte Gareiss, Hans-Michael Schneider, Martin Weber
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Patent number: 6093758Abstract: Incorporation of phosphate and phosphonate units into the side groups of aryloxyphosphazenes, at both the polymer and cyclic trimer levels, is disclosed. Phosphorylated cyclic trimers are utilized as flame-retardant additives to polystyrene.Type: GrantFiled: June 16, 1999Date of Patent: July 25, 2000Assignee: The Penn State Research FoundationInventors: Harry R. Allcock, Jonathan R. Taylor
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Patent number: 5942584Abstract: A polyamide, a copolyamide, or a polyamide blend is reacted with a monoepoxy-functional phosphorus compound at an elevated temperature to produce flame-retardant polyamides, where the amount of phosphorus compound is 5 wt % to 35 wt %, based on the total composition, i.e., the polyamide mixture.Type: GrantFiled: September 29, 1997Date of Patent: August 24, 1999Assignee: Siemens AktiengesellschaftInventor: Wolfgang von Gentzkow
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Patent number: 5770644Abstract: A fire retardant polyester resin composition comprising (A) 95 to 30 parts by weight of a polyester resin and (B) 5.0 to 70 parts by weight of a polyphenylene ether resin and/or polyphenylene sulfide resin, and, for 100 parts by weight in total of the components (A) and (B), (C) 0.05 to 10 parts by weight of a compatibilizing agent, (D) 2.0 to 45 parts by weight of a phosphoric ester compound or phosphonitrile compound, (E) 0 to 150 parts by weight of a reinforcing filler, (F) 0.001 to 15 parts by weight of an anti-dripping agent, (G) 0 to 45 parts by weight of a melamine cyanurate, and (H) 0 to 15 parts by weight of a polystyrene resin having epoxy group, provided that the amount of the component (G) is from 0.5 to 45 parts by weight for 100 parts by weight in total of the components (A) and (B) when the amount of the component (B) is less than 35 parts by weight. The polyester resin composition scarcely corrodes a metal mold when it is molded, and is excellent in fire retardancy.Type: GrantFiled: February 26, 1997Date of Patent: June 23, 1998Assignee: Mitsubishi Engineering Plastics CorporationInventors: Masanori Yamamoto, Shintarou Kishimoto
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Patent number: 5646207Abstract: An aqueous sizing composition for glass fibers particularly useful for the reinforcement of thermoplastic or thermosetting matrix polymers contains film-forming material, fluorescent whitening agent, coupling agent, stabilizing agent and lubricant. The film-forming material is selected to be compatible with thermosetting or thermoplastic matrix polymer used in the ultimate forming process. The fluorescent whitening agent is at least dispersed, emulsified or solubilized in water.The sizing compositions are particularly advantageous for sizing glass fibers to be used in the reinforcement of matrix polymers for forming molded parts. The resultant molded part exhibits exceptional whiteness and and comparable physical properties to materials without the brightening agent.Type: GrantFiled: February 15, 1995Date of Patent: July 8, 1997Assignee: PPG Industries, Inc.Inventor: Philip L. Schell
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Patent number: 5407982Abstract: It is herein disclosed a process for stabilizing freshly prepared polyketone polymer comprising contacting the polymer with a sufficient quantity of a stabilizing agent such as an alkali metal iodide salt or an onium iodide salt of nitrogen, phosphorus, or arsenic in which the organic groups comprising the cation coordination sphere is shielded by aromatic substituents. The inventive process results in stabilized polyketone polymers having and exhibiting improved thermal oxidative stability properties. It is also disclosed a stabilized polymer composition comprising a major amount of a polyketone polymer and a minor amount of an onium iodide salt of nitrogen, phosphorus, arsenic or combination thereof in which the cation coordination sphere is shielded by aromatic substituents.Type: GrantFiled: November 19, 1993Date of Patent: April 18, 1995Assignee: Shell Oil CompanyInventor: Carlton E. Ash
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Controllably and swiftly degradable polymer compositions and films and other products made therefrom
Patent number: 4939194Abstract: Polymer compositions comprising a vinyl polymer and a combination of at least two metal complexes wherein the complexing agent of the first complex is attached to the metal through oxygen and the metal is a transition metal, and the complexing agent of the second complex is attached to the metal through sulphur and the metal is a transition metal or a metal of group II or IV of the periodic table of the elements, wherein the molar ratio of the second metal complex to the first metal complex is 0.5 or less. A film obtained from such polymer compositions and its use agricultural processes are also claimed.Type: GrantFiled: August 4, 1989Date of Patent: July 3, 1990Assignee: Plastopil HazoreaInventors: Gerald Scott, Dan Gilead -
Patent number: 4806620Abstract: An aqueous, resinous solution of a curable, polymeric reaction product, the cured polymeric flame resistant coating and methods for producing them are provided. The solution is formed by direct reaction or prepolymer reaction and chain extension reaction of a methylol and/or hydroxyl-containing quaternary phosphonium compound, divalent nitrogen-containing compound and a heteroatom-containing compound. A nitrogen-containing compound has at least 2 active hydrogen and/or methylol radicals. The direct or prepolymer reaction has present a tertiary amine.Type: GrantFiled: March 30, 1987Date of Patent: February 21, 1989Assignee: PPG Industries, Inc.Inventors: Michael W. Klett, Balbhadra Das
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Patent number: 4645787Abstract: Thermoplastic flame retardant compositions of polyphenylene oxide and styrene are provided exhibiting superior resistance to stress cracking.Type: GrantFiled: July 2, 1985Date of Patent: February 24, 1987Assignee: General Electric CompanyInventor: John J. Talley
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Patent number: 4611017Abstract: The oxidative, process, and/or color stability of carboxyl-containing ethylene interpolymers is improved by incorporating therein at least one aromatic bis(organophosphorus) compound, with or without a hindered phenol antioxidant and/or a dicarboxylic acid.Type: GrantFiled: December 7, 1984Date of Patent: September 9, 1986Assignee: The Dow Chemical CompanyInventors: Osborne K. McKinney, David P. Flores
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Patent number: 4593058Abstract: Flame retardant blends of polyphenylene oxide and styrene resin are provided as a result of the use of a minor amount of a triorganothiophosphate.Type: GrantFiled: September 17, 1984Date of Patent: June 3, 1986Assignee: General Electric CompanyInventor: John J. Talley
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Patent number: 4584332Abstract: Flame retardant blends of styrene and polyphenylene oxide are provided resulting from the use of a mixture of zinc oxide and a triorganothiophosphate.Type: GrantFiled: September 17, 1984Date of Patent: April 22, 1986Assignee: General Electric CompanyInventors: John J. Talley, Carol B. Berman
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Patent number: 4501684Abstract: 2-naphthyl phosphoramidites are readily and inexpensively prepared by the reaction of N-dichlorophosphinoamines with a 2-naphthol in an alkylamine. The 2-naphthyl phosphoramidites are stabilizers for polymers such as the polyolefins and enhance the stabilizing activity of hydroxyphenylalkyleneyl isocyanurates.Type: GrantFiled: June 17, 1983Date of Patent: February 26, 1985Assignee: The B. F. Goodrich CompanyInventor: Dwight W. Chasar
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Patent number: 4322303Abstract: Compounds of the formula ##STR1## wherein the symbols R.sub.1, R.sub.2, R.sub.3, m, X, n, Y, q, r and Z have the meanings given in Claim 1. The divalent radical Y can optionally contain a group of the formula ##STR2## wherein R.sub.9 and R.sub.10 have the meanings given in Claim 1. The compounds according to the invention are suitable as antioxidant-stabilizers in organic materials, and impart to lubricants, in addition to having therein a good anti-oxidation and anti-corrosion action, excellent extreme pressure and antiwear properties.Type: GrantFiled: September 10, 1980Date of Patent: March 30, 1982Assignee: Ciba-Geigy CorporationInventor: Siegfried Rosenberger