At Least One Aryl Ring Which Is Part Of A Fused Or Bridged Ring System Patents (Class 524/256)
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Patent number: 10138349Abstract: Provided is a transparent thermoplastic composition including 70 to 95% by weight of a copolymer of ethylene and of an ethylenic monomer carrying a polar functional group and 5 to 30% by weight of a peroxide, where the copolymer includes from 20 to 45% by weight of the ethylenic monomer carrying a polar functional group. The composition may be used for crosslinking polymers.Type: GrantFiled: October 30, 2015Date of Patent: November 27, 2018Assignee: Arkema FranceInventors: Anne-Yvonne Laignel, Catherine Corfias-Zuccalli, Laurent Keromnes
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Patent number: 8933152Abstract: Spun-dyed aramid fibers, wherein spun-dyeing was performed with a completely organic pigment exhibiting the chemical structure of formula (I): wherein, independently from one another, R1 represents a substituent of formula Xa or a substituent of formula Xb: wherein Xa is linked via the group NH having two bonds in the structure represented by Xa, while Xb is linked via the carbon atom, which is in a para relationship with the NH2-group of Xb; and R2 represents H or NH2. The spun-dyed aramid fibers exhibit constant coloristic properties and wash proof properties.Type: GrantFiled: October 6, 2011Date of Patent: January 13, 2015Assignee: Teijin Aramid B.V.Inventor: Robin Winters
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Patent number: 8921453Abstract: A nonaqueous ink composition for an ink jet and a method of manufacturing ink comprising the same are provided. The nonaqueous ink composition for the ink jet includes: a glycol ether acetate solvent represented by a specific chemical formula; and a polypropylene glycol binder represented by a specific chemical formula. The nonaqueous ink composition for an ink jet has dynamic viscoelasticity obtained by a chemical interaction between the solvent and the binder, exhibits excellent print quality and is capable of high-speed printing.Type: GrantFiled: February 22, 2010Date of Patent: December 30, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jun Young Kim, Jae Woo Joung, Sung Nam Cho, Ha Yoon Song
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Patent number: 7906467Abstract: Provided are compounds of formula wherein R1 is t-octyl, AR is phenyl, R2 is an alkyl substituted carboxyl and m is 0, 1, or 2. Lubricating oils and hydraulic fluids comprising a polyol ester lubricant in combination with one or more compounds of formula I and methods for their use are also provided.Type: GrantFiled: October 24, 2007Date of Patent: March 15, 2011Assignee: Chemtura CorporationInventor: Eugene P. DiBella
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Patent number: 7499625Abstract: The invention relates to a fiber optic material which comprises a polymer and at least one organic compound introduced therein. Said organic compound is a condensed aromatic ring system having two or more aromatic rings that are isocyclic or heterocyclic, wherein every heteroatom is associated with exactly one ring if the ring is heterocyclic. The fiber optic material according to the invention is preferably used for the core of an optical waveguide.Type: GrantFiled: March 20, 2004Date of Patent: March 3, 2009Assignee: Forschungszentrum Karlsruhe GmbHInventors: Thomas Hanemann, Johannes Böhm, Jürgen Hausselt
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Patent number: 7307049Abstract: Provided are compounds of formula wherein R1 is linear or branched alkyl; AR is phenyl, naphthyl, or phenanthryl; and m is 0, 1, or 2; and R2 is an alkyl substituted carboxyl. Lubricating oils comprising a polyol ester lubricant in combination with one or more compounds of Formula I are also provided. Compounds having structures of Formula I are formed by mixing N-4-alkylphenyl-1-naphthylamine, paraformaldehyde, glacial acetic acid, and a polyol ester base lubricant and heating and stirring the mixture to cause a condensation reaction. Water and acetic acid are subsequently removed, thereby providing the compound of formula I in the polyol ester base lubricant.Type: GrantFiled: February 8, 2007Date of Patent: December 11, 2007Assignee: Anderol, Inc.Inventor: Eugene P. DiBella
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Publication number: 20040171725Abstract: A process for functionalizing a carbon surface and the product thereof is disclosed. The first reactant used contains one or more electron withdrawing groups that thereafter can be reacted with other compounds. The reaction product has enhanced dispersability, interaction with other media, or other utilitarian uses, e.g. a reactive surface. The reaction product is then incorporated into an elastomeric or thermoplastic composition.Type: ApplicationFiled: April 19, 2004Publication date: September 2, 2004Inventors: Benny R. Richardson, James D. Burrington, Ghebrehiwet N. Ghebremeskel, Kirk E. Davis, Scott T. Jolley, Ralph E. Korbbrekke, Joseph W. Pialet, Philip W. Pike, Roger L. Sowerby
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Patent number: 6235819Abstract: A method for scavenging amines within polymeric compositions of matter comprising the step of adding to a polymeric composition of matter at least one triazine compound, wherein said triazine compound is defined according to the formula: where X is selected from the group consisting of hydrogen, halides, amines, and organic groups having from 1 to about 20 carbon atoms, Y is selected from the group consisting of halides, alkoxy derivatives, amine derivatives, aryloxy derivatives, and urea derivatives, with the proviso that the substituent Y is displacable by a reaction with a secondary amine, and Z is selected from the group consisting of alkoxy derivatives, amino derivatives, aryloxy derivatives, and urea derivatives, with the proviso that the substituent Z is displacable by a reaction with a secondary amine.Type: GrantFiled: December 31, 1997Date of Patent: May 22, 2001Assignee: Bridgestone CorporationInventors: David F. Lawson, Ashley S. Hilton, John R. Schreffler, Roderic P. Quirk
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Patent number: 5985417Abstract: An organic electroluminescent display device (10) includes a plurality of organic layers (16, 18, 20, 22 and 24) disposed between opposing electrodes (14 and 26). The hole transporting layer (22) is composed of a hole transporting material stabilized by a polymeric network.Type: GrantFiled: September 3, 1996Date of Patent: November 16, 1999Assignee: Motorola, Inc.Inventors: Song Shi, Franky So, H. C. Lee
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Patent number: 5834080Abstract: Controllably conductive polymer compositions may be used in electrophotographic imaging developing systems, such as scavengeless or hybrid scavengeless systems or liquid image development systems. The conductive polymer compositions includes a charge-transporting material (particularly a charge-transporting, thiophene-containing polymer or an inert elastomeric polymer, such as a butadiene- or isoprene-based copolymer or an aromatic polyether-based polyurethane elastomer, that additionally comprises charge transport molecules) and a dopant capable of accepting electrons from the charge-transporting material. The invention also relates to an electrophotographic printing machine, a developing apparatus, and a coated transport member, an intermediate transfer belt, and a hybrid compliant photoreceptor comprising a composition of the invention.Type: GrantFiled: October 18, 1994Date of Patent: November 10, 1998Assignee: Xerox CorporationInventors: Joseph Mort, Bing R. Hsieh, Mary A. Machonkin, Joseph Mammino, John F. Yanus
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Patent number: 5244028Abstract: The present invention relates to a pneumatic tire sidewall and to elastomeric compositions useful therefor. The elastomeric compositions are comprised of:(a) natural rubber, polybutadiene, or mixtures thereof;(b) from about 1.0 to 5.0 phr of a precipitated silica filler having a BET surface area of between 100 and 250 square meters per gram and a pH of from 4.0 to 6.5;(c) from about 1.5 to 10.0 phr of an antidegradant selected from the group consisting of amines, phenolics and mixtures thereof.Type: GrantFiled: May 20, 1992Date of Patent: September 14, 1993Assignee: The Goodyear Tire & Rubber CompanyInventors: Thomas J. Segatta, Paul H. Sandstrom, Zalman Ronen
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Patent number: 5244953Abstract: Substituted 1-aminonaphthalenes of formula I ##STR1## wherein n is 1-3, Ar is arylene, R.sub.1 and R.sub.2 are independently hydrogen, alkyl or phenyl, R.sub.3 is hydrogen, alkyl or substituted alkyl, and R.sub.4 and R.sub.5 have independently the same definitions as R.sub.3 or are independently aryl, substituted aryl or cycloalkyl, are effective stabilizers for lubricating oil or polymer compositions. The instant compounds are particularly effective in lubricating oil compositions when used with a diarylamine antioxidant.Type: GrantFiled: August 10, 1992Date of Patent: September 14, 1993Assignee: Ciba-Geigy CorporationInventors: Paul A. Odorisio, David E. Chasen, Stephen D. Pastor
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Patent number: 5160647Abstract: Substituted 1-aminonaphthalenes of formula I ##STR1## wherein n is 1-3, Ar is arylene, R.sub.1 and R.sub.2 are independently hydrogen, alkyl or phenyl, R.sub.3 is hydrogen, alkyl or substituted alkyl, and R.sub.4 and R.sub.5 have independently the same definitions as R.sub.3 or are independently aryl, substituted aryl or cycloalkyl, are effective stabilizers for lubricating oil or polymer compositions. The instant compounds are particularly effective in lubricating oil compositions when used with a diarylamine antioxidant.Type: GrantFiled: May 7, 1991Date of Patent: November 3, 1992Assignee: Ciba-Geigy CorporationInventors: Paul A. Odorisio, David E. Chasan, Stephen D. Pastor
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Patent number: 5120779Abstract: A new class of antiozonant compounds, namely tris(N-alkyl-p-phenylenediamino)-1,3,5-triazine compounds, are incorporated into thermosetting compositions having at least one highly unsaturated rubbery polymer and at least one other elastomer having lesser unsaturation, such as EPDM. Thermosetting compositions are most useful as tire sidewall compositions which may be preferably cured with blends of organic peroxide and sulfur donor accelerators.Type: GrantFiled: August 3, 1990Date of Patent: June 9, 1992Assignee: Uniroyal Chemical Company, Inc.Inventors: Robert J. Cornell, Edward L. Wheeler, Russell A. Mazzeo, Sung W. Hong
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Patent number: 5023287Abstract: There is disclosed the use of matrix-antidegradants in rubber and a process for the production of matrix-antidegradants. More specifically, this invention is directed to microparticles of vulcanized rubber containing high levels of para-phenylenediamine type antiozonants which have a particle diameter of 100 microns or less. The matrix-antidegradant or microparticles prepared according to this invention provide long term protection to rubber articles that are subject to ozone and oxygen attack.Type: GrantFiled: November 5, 1987Date of Patent: June 11, 1991Assignee: The Goodyear Tire & Rubber CompanyInventors: Larry R. Evans, Walter H. Waddell, Frank W. Harris, David A. Benko
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Patent number: 4946881Abstract: A new class of antiozonant compounds, namely tris(N-alkyl-p-phenylenediamino)-1,3,5-triazine compounds, are incorporated into thermosetting compositions having at least one highly unsaturated rubbery polymer and at least one other elastomer having lesser unsaturation, such as EPDM. Thermosetting compositions are most useful as tire sidewall compositions which may be preferably cured with blends of organic peroxide and sulfur donor accelerators.Type: GrantFiled: March 4, 1988Date of Patent: August 7, 1990Assignee: Uniroyal Chemical Company, Inc.Inventors: Robert J. Cornell, Edward L. Wheeler, Russell A. Mazzeo, Sung W. Hong
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Patent number: 4822839Abstract: A polyunsaturated hydrocarbon polymer-compatible anti-oxidant composition is provided which comprises a mixture of at least one sterically hindered phenolic compound and at least one aryl amine compound in a molar ratio ranging from about 0.1 to about 10.Type: GrantFiled: November 25, 1987Date of Patent: April 18, 1989Assignee: Hercules IncorporatedInventor: Martin J. Paisner
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Patent number: 4795774Abstract: Polymeric compositions of enhanced stability against oxidative degradation are produced when aromatic amines of up to 2 aromatic rings and at least one amino group are incorporated in polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon.Type: GrantFiled: October 5, 1987Date of Patent: January 3, 1989Assignee: Shell Oil CompanyInventor: Robert Q. Kluttz
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Patent number: 4794135Abstract: Disclosed are novel tris(N-alkyl-p-phenylenediamino)-1,3,5-triazine compounds useful as antiozonants for unsaturated high polymers. The compounds may be prepared by reacting N-alkylphenylenediamine with a cyanuric halide.Type: GrantFiled: August 28, 1987Date of Patent: December 27, 1988Assignee: Uniroyal Chemical Company, Inc.Inventors: Edward L. Wheeler, Franklin H. Barrows, Robert J. Franko, Wadim Batorewicz
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Patent number: 4794134Abstract: Rubber articles subjected to ozone while under dynamic flexing conditions are protected using a novel triazine class of materials, specifically tris-(N-alkyl-p-phenylenediamino)-1,3,5-triazines. Belts, hose, air springs, roofing membranes, etc. are preferred articles of the invention.Type: GrantFiled: March 4, 1988Date of Patent: December 27, 1988Assignee: Uniroyal Chemical Company, Inc.Inventors: Edward L. Wheeler, Robert J. Franko
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Patent number: 4613636Abstract: A peroxide-curable fluoroelastomer composition which can be readily removed from a mold cavity without tearing which comprises a fluoroelastomer whose interpolymerized units consist essentially of units of tetrafluoroethylene, units of perfluoroalkyl perfluorovinyl ether, units of a bromine-containing olefin and, optionally, units of ethylene, and from about 0.05-2 parts per 100 parts fluoroelastomer of an N,N,N',N'-tetrasubstituted 1,8-diaminonaphthalene having the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently alkyl groups of 1-6 carbon atoms, phenyl or benzyl, R.sub.1 and R.sub.2 and/or R.sub.3 and R.sub.4 can be joined to form a 5- or 6-membered heterocyclic ring in which a carbon atom can be replaced by an oxygen or a sulfur atom, R.sub.1 and R.sub.3 and/or R.sub.2 and R.sub.Type: GrantFiled: July 12, 1985Date of Patent: September 23, 1986Assignee: E. I. Du Pont de Nemours and CompanyInventor: Leo Ojakaar
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Patent number: 4609699Abstract: This invention relates to polyarylene sulphides (PPS) produced in known manner from optionally substituted halogen benzenes and aromatic polyhalogen compounds, optionally in combination with other polymers, fillers and/or reinforcing fibres, which contain certain N-containing organic bases for reducing the elimination levels of acidic, corrosion-producing volatile constituents and for improving the flow properties thereof.Type: GrantFiled: October 22, 1984Date of Patent: September 2, 1986Assignee: Bayer AktiengesellschaftInventors: Rolf-Volker Meyer, Klaus Reinking, Karsten-Josef Idel, Rolf Dhein
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Patent number: 4529759Abstract: A peroxide-curable fluoroelastomer composition which comprises a fluoroelastomer whose interpolymerized units consist essentially of units derived from vinylidene fluoride, units derived from at least one other fluorine-containing monomer copolymerizable therewith, said monomer being a compound which contains 2-7 carbon atoms, contains no bromine atoms or iodine atoms, and contains at least as many fluorine atoms as carbon atoms, and said fluoroelastomer contains up to 3 mole percent of units derived from a bromine-containing olefin or 0.1-2 mole percent of units derived from an iodine-containing olefin, and from about 0.05-2 parts per 100 parts fluoroelastomer of an N,N,N',N'-tetrasubstituted 1,8-diaminonaphthalene having the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently alkyl groups of 1-6 carbon atoms, phenyl or benzyl, R.sub.1 and R.sub.2 and/or R.sub.3 and R.sub.Type: GrantFiled: December 7, 1984Date of Patent: July 16, 1985Assignee: E. I. Du Pont de Nemours and CompanyInventor: Leo Ojakaar
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Patent number: 4426475Abstract: Stabilized polyamides containing from 0.02 to 5%, by weight of a diphenylamine compound corresponding to the following general formula: ##STR1## wherein R.sup.1 and R.sup.3, which may be the same or different, represent hydrogen, a CH.sub.3 --, C.sub.2 H.sub.5 -- or isopropyl group and R.sup.3 is in the o-, m- or p-position to the N-atom substitution;R.sup.2 represents hydrogen, a C.sub.4 -C.sub.12 alkyl, C.sub.7 -C.sub.12 aralkyl or C.sub.5 -C.sub.12 cycloalkyl group and is in the o-, or p-position to the N-atom substitution;n represents an integer of from 1 to 29; andY is a divalent, non-mono-olefinically unsaturated radical having the same meaning as R.sup.2 and, in addition, may represent (in a proportion of up to 50 mole percent) --S--, --CH.sub.2 --S--CH.sub.2 --, --CH.sub.2 --O--CH-- or >CH--R.sup.4, wherein R.sup.4 represents H, C.sub.1 -C.sub.6 alkyl or C.sub.5 or C.sub.6 cycloalkyl, and may be in the o- or p-position to the N-atom substitution.Type: GrantFiled: December 6, 1982Date of Patent: January 17, 1984Assignee: Bayer AktiengesellschaftInventors: Bert Brassat, Hans-Josef Buysch, Heinrich Haupt, Karl H. Hermann
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Patent number: 4366270Abstract: A method for the uniform blending of additives into thermoplastic synthetic resins. A solution or finely divided dispersion of the additive is produced in a polymerizable cyclic ester of the general formula: ##STR1## wherein R represents respectively hydrogen or an alkyl group of 1-18 carbon atoms,A represents a --O-- or --COO-- group,x and y represent integers from 1 to 15, andz represents 0 or 1.This solution or dispersion, optionally after polymerization of the cyclic ester, is admixed to the thermoplastic synthetic resin at the end of its manufacturing process or in a subsequent processing stage.Type: GrantFiled: November 21, 1979Date of Patent: December 28, 1982Assignee: Chemische Werke Huls A.G.Inventor: Jorn Ruter
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Patent number: 4365034Abstract: A composition of matter comprising an acetylene-terminated polyimide oligomer and a cure rate inhibitor selected from the group consisting of hydroquinone, maleic acid, glutaric acid, dibetanapthyl para-phenylene diamine. The composition has a retarded cure rate, thereby facilitating the fabrication of void-free molded objects and composites.Type: GrantFiled: September 21, 1981Date of Patent: December 21, 1982Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Mark F. Grimes, Theodore J. Reinhart, Jr.
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Patent number: 4330442Abstract: An asbestos-free gasket forming composition is disclosed. The composition is preferably produced by removing water from an aqueous furnish composition comprising phenolic fibers, aromatic polyamide fibers, an inorganic or cork filler, a synthetic rubber binder, and a water insoluble hydroxide produced from a soluble salt selected from the group consisting of aluminum salts, ferric salts and stannic salts, by reaction with a sufficient amount of an alkaline hydroxide to provide a furnish pH within the range of from about 6 to about 10, and preferably of from about 7 to 8.Type: GrantFiled: May 7, 1980Date of Patent: May 18, 1982Assignee: Armstrong World Industries, Inc.Inventors: Charles M. Lindeman, Ralph D. Andrew