At Least One Diverse Hetero Atom In Same Ring Patents (Class 524/95)
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Patent number: 5139885Abstract: A resin composition, being useful for coating on electric wire, comprises an aromatic polyester, a halogenated compound such as diol, diglycidyl and dicarboxylic acid and a di-heterocyclic compound.Type: GrantFiled: March 20, 1990Date of Patent: August 18, 1992Assignee: Polyplastics Co., Ltd.Inventors: Toshio Nakane, Yukihiko Kageyama, Hiroaki Konuma, Kenji Hijikata
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Patent number: 5124378Abstract: N--OR.sub.1 substituted hindered amine light stabilizers impart outstanding stabilization properties to ambient cured coatings based on a variety of resins, the stabilized coatings exhibiting improved durability, weatherability, and the like.Type: GrantFiled: October 19, 1988Date of Patent: June 23, 1992Assignee: Ciba-Geigy CorporationInventors: Rudolf A. Behrens, Andrew Mar
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Patent number: 5112890Abstract: N-OR.sub.1 substituted hindered amine light stabilizers impart outstanding stabilization properties to acid catalyzed thermoset coating compositions providing enhanced resistance against the deleterious effects of light, moisture or oxygen without inhibition of cure.Type: GrantFiled: October 19, 1988Date of Patent: May 12, 1992Assignee: Ciba-Geigy CorporationInventors: Rudolf A. Behrens, Roland A. E. Winter, Andrew Mar, Peter J. Schirmann, Raymond Seltzer, Roger F. Malherbe
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Patent number: 5102929Abstract: The invention relates to mixtures of polyarylene sulphides, heterocyclic nitryoaryloxy compounds and optionally other additives. The mixtures are distinguished by good mechanical properties.Type: GrantFiled: March 11, 1991Date of Patent: April 7, 1992Assignee: Bayer AktiengesellschaftInventors: Burkhard Kohler, Walter Uerdingen, Klaus Kraft, Hans-Detlef Heinz, Wolfgang Wehnert
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Patent number: 5096950Abstract: Hindered amines based on various 2,2,6,6-tetraalkylated nitrogen-containing heterocyclic moieties wherein the hindered nitrogen atom on the ring is substituted with OR.sub.1 substituents and the 4-position of the ring is substituted with a diversity of substituents are effective in protecting polyolefins against the adverse effects of light, heat and oxygen.Type: GrantFiled: August 6, 1990Date of Patent: March 17, 1992Assignee: Ciba-Geigy CorporationInventors: James P. Galbo, Raymond Seltzer, Ramanathan Ravichandran, Ambelal R. Patel
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Patent number: 5079284Abstract: A polymer such as polyester is modified with reaction with a modifier of a compound having the formula: ##STR1## in which X is halogen, Y.sub.1 and Y.sub.2 are a three- to eight-membered ring, Z is a divalent organic group and n is 1 or more.Type: GrantFiled: February 8, 1990Date of Patent: January 7, 1992Assignee: Polyplastics Co., Ltd.Inventors: Toshio Nakane, Yukihiko Kageyama, Kenji Hijikata
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Patent number: 5068271Abstract: Disclosed are novel 2,4,6 substituted pyrimidines where the substituents may be the same or different groups. At least one substituent must be N-alkyl paraphenylenediamino, and the other substituents may be various radicals containing sulfur, oxygen or nitrogen or hydrogen or alkyl groups. The compounds are useful as antioxidants and antiozonants for unsaturated compounds and polymers.Type: GrantFiled: July 30, 1990Date of Patent: November 26, 1991Assignee: Uniroyal Chemical Company, Inc.Inventors: Edward L. Wheeler, Franklin H. Barrows, Robert J. Franko
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Patent number: 5064883Abstract: N-hydroxy substituted hindered amine light stabilizers impart outstanding stabilization properties to acid catalyzed thermoset coating compositions with enhanced resistance against the deleterious effects of light, moisture or oxygen in the substantial absence of cure inhibition.Type: GrantFiled: October 19, 1988Date of Patent: November 12, 1991Assignee: Ciba-Geigy CorporationInventors: Rudolf A. Behrens, Roger F. Malherbe
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Patent number: 5049602Abstract: Costabilizers which are composed of pyrroles and/or dihydropyridines and/or copolymers of oxazolines and bisoxazolines and/or polyols enhance the stabilizing effect of primary stabilizers such as polyoxazolines and zinc compounds in thermoplastic molding compositions, such as those based on polymers of vinyl chloride.Type: GrantFiled: September 26, 1990Date of Patent: September 17, 1991Assignee: Huels AktiengesellschaftInventor: Thomas Hildebrand
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Patent number: 5037867Abstract: Substituted isoxazolidines of formula I ##STR1## where R.sub.1 and R.sub.2 are independently alkyl, cycloalkyl, alkenyl, aryl or phenylalkyl, R.sub.2 is additionally hydrogen, R.sub.3 is hydrogen or methyl, n is 1-4, E.sub.1 is an electron withdrawing group, and E.sub.2 is hydrogen, alkyl, phenyl or has the same meaning as E.sub.1, are effective in stablizing organic materials against oxidative, thermal and actinic degradation.Type: GrantFiled: April 12, 1990Date of Patent: August 6, 1991Assignee: Ciba-Geigy CorporationInventors: Ramanathan Ravichandran, Stephen D. Pastor
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Patent number: 5028640Abstract: An aromatic polycarbonate resin composition for molding, comprising (a) an aromatic polycarbonate resin, (a) carbon fibers sized with an aromatic polycarbonate resin, and (c) an organic compound having at least two oxazoline rings per molecule is dislosed. The composition has excellent extrusion workability, mold deposit-preventing property and mechanical strength, and can be used as a molding material in the field of precision machines such as cameras, VTR's and facsimiles.Type: GrantFiled: November 28, 1989Date of Patent: July 2, 1991Assignee: Mitsubishi Gas Chemical Co. Inc.Inventors: Goro Shimaoka, Kenji Kouno
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Patent number: 5023284Abstract: This invention is directed to a stabilizer useful to retard transesterification in moldable polymer blends containing polyester(s) during processing of the blends at elevated temperatures, particularly at high temperatures above about 285.degree. C. More particularly, the stabilizer comprises a phosphate-epoxy adduct. The stabilizer may optionally further comprise a reactive functionality component comprising a compound having a imide or oxazoline functionality and/or a hindered phenol component. The invention is also directed to a composition comprising the stabilizer and a particularly defined polymer blend.Type: GrantFiled: August 9, 1989Date of Patent: June 11, 1991Assignee: Ford Motor CompanyInventors: Mo-Fung Cheung, Amos Golovoy, Henk van Oene
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Patent number: 5006577Abstract: N-hydroxy-substituted hindered amine light stabilizers impart outstanding stabilization properties to ambient cured coatings based on a variety of resins, the stabilized coatings exhibiting improved durability, weatherability, and the like.Type: GrantFiled: October 19, 1988Date of Patent: April 9, 1991Assignee: Ciba-Geigy CorporationInventors: Rudolf A. Behrens, Andrew Mar
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Patent number: 5004789Abstract: Compositions of phenolic resins, for example, phenol formaldehyde resins, containing an additive of triethanolamine borate or an amine/oxygen-containing boron derivative mixture, e.g., triethanolamine and boric anhydride, are particularly useful for the manufacture of prepeg mats.Type: GrantFiled: June 4, 1987Date of Patent: April 2, 1991Assignee: Societe Chimiques des Charbonnages S.A.Inventors: Francois Boinot, Michel Cousin, Pierre-Michel Francois, Francois Michel-Dansac
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Patent number: 4987167Abstract: A halogen-containing polyester resin composition comprises a flame retardant aromatic polyester copolymer having a halogen content of 0.5-30% by weight which is produced by condensation polymerization reaction of:(A) principally an aromatic dicarboxylic acid or an ester-forming derivative thereof,(B) principally an aliphatic glycol or an ester-forming derivative thereof, and(C) an ester-forming compound containing a halogen,and, in mixture therewith, 0.1-10% by weight of a bisoxazoline compound relative to the total weight of the composition.Type: GrantFiled: February 3, 1988Date of Patent: January 22, 1991Assignee: Polyplastics Co., Ltd.Inventors: Toshio Nakane, Kenji Hijikata, Makoto Iiyama, Yukihiko Kageyama, Michirou Naka
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Patent number: 4954541Abstract: A resin composition, being useful for coating on electric wire, comprises an aromatic polyester, a halogenated compound such as diol, diglycidyl and dicarboxylic acid and a di-heterocyclic compound.Type: GrantFiled: November 15, 1988Date of Patent: September 4, 1990Assignee: Polyplastics Co., Ltd.Inventors: Toshio Nakane, Yukihiko Kageyama, Hiroaki Konuma, Kenji Hijikata
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Patent number: 4931220Abstract: Described is photochromic particulate material comprising a photochromic substance within a matrix of a polymerizate of a polyfunctional acrylate monomer. The photochromic particulate material may be produced by adding an organic photochromic substance to a polymerizable composition including a polyfunctional acrylate monomer and polymerizing the resultant admixture, e.g., by emulsion polymerization. In the case of emulsion or suspension polymerization, finely divided particulate organic photochromic materials are separated from the polymerization medium in the form of spheroidal thermoset photochromic particles of fairly uniform size. If desired, the particles recovered from the polymerization medium may be further ground in conventional attrition mills to further reduce the size of the particulate product. In the case of bulk polymerization, the polymerizate may be formed as a continuously cast sheet, which is then pulverized to a particulate material of pigmentary size.Type: GrantFiled: November 24, 1987Date of Patent: June 5, 1990Assignee: PPG Industries, Inc.Inventors: Ronald L. Haynes, Charles H. Hoelscher, Jonathan G. Lasch
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Patent number: 4929652Abstract: The invention relates to polyolefines stabilized against damage caused by light and containing(A) at least one polyalkylpiperidine light stabilizer,(B) an organic salt of zinc or magnesium and(C) either(C.sub.1) a UV absorber or(C.sub.2) a pigment or(C.sub.3) a UV absorber and a pigment.Type: GrantFiled: April 27, 1988Date of Patent: May 29, 1990Assignee: Ciba-Geigy CorporationInventor: Francois Gugumus
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Patent number: 4918122Abstract: The invention provides a composition comprising a resin processable at temperatures upto 160.degree. C. having incorporated therein a flame retardant amount of a salt formed by reaction between dimethyl methyl phosphonate, monomethyl methyl phosphonate or methyl phosphonic acid, and a compound of the general formula (I) ##STR1## in which X is 0 or S; R.sup.1 is H, alkyl with 1 to 4 carbon atoms, alkenyl of up to 4 carbon atoms, CN, CONH.sub.2 or NH.sub.2, R.sup.2 is H, alkyl with 1 to 4 carbon atoms or alkenyl of up to 4 carbon atoms or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are attached form a heterocyclic ring of up to 6 carbon atoms which may optionally contain another hetero atom and R is H, an alkyl group with 1 to 8 carbon atoms, an aryl group with 6 to 10 carbon atoms, a cycloalkyl group with 5 to 12 carbon atoms or a heterocyclic group with up to 9 ring carbon atoms, or, together with R.sup.1 forms an alkylene chain of 3 to 10 carbon atoms, or R is a group NHR.sup.Type: GrantFiled: July 15, 1987Date of Patent: April 17, 1990Assignee: Ciba-Geigy CorporationInventors: Richard J. Dellar, Norman Richardson, deceased, Brian G. Clubley
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Patent number: 4885323Abstract: Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol ether-1,3,5-triazines are provided having the formula: ##STR1## in which: R is selected from the group consisting of hydrogen, alkyl having from one to about eighteen carbon atoms, hydroxyalkyl having from two to about six carbon atoms; epoxyalkyl having from three to about eight carbon atoms; alkylaryl having from seven to about eighteen carbon atoms; acyl having from two to about eight carbon atoms; and oxyl;each of R.sub.1 and R.sub.2 is selected from the group consisting of hydrogen, alkyl having from one to about eighteen carbon atoms; and alkylene forming a heterocyclic ring including the nitrogen atom in the ring and having from four to seven carbon atoms and no or one oxygen atom; andn is a number from 2 to about 40 representing the average number of units enclosed by the brackets;and synthetic resin compositions containing the same as light stabilizers.Type: GrantFiled: December 28, 1987Date of Patent: December 5, 1989Assignee: Adeka Argus Chemical Co., Ltd.Inventors: Motonobu Minagawa, Yutaka Nakahara, Toshihiro Shibata, Etsuo Tobita
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Patent number: 4831178Abstract: 1,3,2-oxazaphospholidine aliphatic ester derivatives of the formula ##STR1## are effective in stabilizing organic materials against oxidative, thermal and actinic degradation, said derivatives being particularly effective as color improvers and process stabilizers in organic materials containing phenolic antioxidants.Type: GrantFiled: October 19, 1987Date of Patent: May 16, 1989Assignee: Ciba-Geigy CorporationInventors: Paul A. Odorisio, Stephen D. Pastor, James L. Hyun
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Patent number: 4826903Abstract: Composition useful for molding into articles such as food containers, beverage bottles, cured structural plastics and the like comprising molding grade linear or unsaturated polyester or polycarbonate (a) containing a mono-4-acryloxystyryl or bis-4-acyloxystyryl compound or (b) having reacted therewith or copolymerized therein a styryl residue derived from a mono-4-acryloxystyryl or bis-4-acyloxystyryl compound, having the formula ##STR1## wherein R.sup.4 and R.sup.5 represent the acyl radical and the other radicals are as defined in the specification.Preferred compositions comprise a linear polyester containing a styryl residue as an integral part of the polymer chain. The styryl residues absorb ultraviolet radiation in the range of about 250 to about 390 nm. The residues are non-extractable from the polymer and stable at the conditions at which the polymers are manufactured and processed.Type: GrantFiled: February 22, 1988Date of Patent: May 2, 1989Assignee: Eastman Kodak CompanyInventors: Max A. Weaver, Samuel D. Hilbert, Wayne P. Pruett, Clarence A. Coates, Jr.
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Patent number: 4822833Abstract: Rigid polyvinyl chloride stabilized against the adverse effects of ultraviolet radiation by the addition thereto of effective amounts of 2,2,6,6-tetraalkylpiperidine compound and an organotin carboxylate thermal stabilizer, optionally with reduced amounts of titanium dioxide, organotin mercapto esters and/or organotin mercaptide thermal stabilizers.Type: GrantFiled: February 3, 1988Date of Patent: April 18, 1989Assignee: Ciba-Geigy CorporationInventors: Jean M. Zappia, Gerald A. Capocci
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Patent number: 4812501Abstract: 1,3,2-oxazaphospholidine derivatives of the formula ##STR1## are effective in stabilizing organic materials against oxidative, thermal and actinic degradation, said derivatives being particularly effective as color improvers and process stabilizers in organic materials containing phenolic antioxidants.Type: GrantFiled: March 16, 1988Date of Patent: March 14, 1989Assignee: Ciba-Geigy CorporationInventors: Paul A. Odorisio, Stephen D. Pastor, James L. Hyun
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Patent number: 4757102Abstract: Various substituted aminoxy alkylamine derivatives are effective in stabilizing organic materials against oxidative, thermal and actinic degradation, said derivatives being particularly effective as color improvers and process stabilizers in organic materials containing phenolic antioxidants and/or metal salts of fatty acids and/or hindered amine light stabilizers and/or organic phosphorus compounds; and certain of said derivatives as new compounds.Type: GrantFiled: May 12, 1986Date of Patent: July 12, 1988Assignee: Ciba-Geigy CorporationInventors: Ramanathan Ravichandran, Stephen D. Pastor, Thomas E. Snead
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Patent number: 4704334Abstract: The bond strength between a sulphur-vulcanisable rubber and a metal, especially brass, is increased by using as bonding promoter an organic substance containing one or more groups of the formula --S--SO.sub.2 R where R represents (a) a radical --OM where M is a monovalent metal, the equivalent of a multivalent metal, a monovalent ion derived by the addition of a proton to a nitrogeneous base or the equivalent of a multivalent ion derived by the addition of two or more protons to a nitrogeneous base, or (b) an organic radical. Preferred promoters include sodium, zinc, nickel and cobalt organothiosulphates.Type: GrantFiled: April 12, 1985Date of Patent: November 3, 1987Assignee: Monsanto Europe, S.A.Inventors: Jean-Marc Delseth, Daniel E. Mauer, Philippe G. Moniotte
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Patent number: 4691015Abstract: Hydroxylamines derived from hindered amines are effective in stabilizing polyolefin compositions containing a stabilizer or mixture of stabilizers selected from the group consisting of the phenolic antioxidants, the hindered amine light stabilizers, the alkylated hydroxybenzoate light stabilizers, the ultraviolet light absorbers, the organic phosphorus compounds, the alkaline metal salts of fatty acids and the thiosynergists, against degradation upon high temperature extrusion, exposure to the combustion products of natural gas, gamma irradiation or upon storage for extended periods.Type: GrantFiled: March 21, 1985Date of Patent: September 1, 1987Assignee: Ciba-Geigy CorporationInventors: Rudolf A. Behrens, Raymond Seltzer
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Patent number: 4668721Abstract: N,N-Dibenzylhydroxylamine and other selected hydroxylamine derivatives are effective in stabilizing polyolefin compositions containing a stabilizer or mixture of stabilizers selected from the group consisting of the phenolic antioxidants, the hindered amine light stabilizers, the ultraviolet light absorbers, the organic phosphorus compounds, the alkaline metal salts of fatty acids and the thiosynergists, against degradation upon high temperature extrusion, exposure to the combustion products of natural gas, gamma irradiation or upon storage for extended periods.Type: GrantFiled: February 3, 1986Date of Patent: May 26, 1987Assignee: Ciba-Geigy CorporationInventors: Raymond Seltzer, Ambelal R. Patel, Peter W. Stewart, Charlene White
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Patent number: 4634726Abstract: Power transmission belts have a cushion stock which improves the durability of the belts. The cushion stock contains a melamine and a silane and preferably cotton reinforcement and silica. 2-thiazolidinethiones can be used as accelerators in the cushion stocks.Type: GrantFiled: December 12, 1983Date of Patent: January 6, 1987Assignee: The Goodyear Tire & Rubber CompanyInventor: Billy P. Martin
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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: 4602052Abstract: A rubber composition containing carbon black as a reinforcing filler and a quaternary ammonium salt as a coupling agent and a method of making it are disclosed.Type: GrantFiled: September 17, 1984Date of Patent: July 22, 1986Assignee: Amoco CorporationInventors: Kenneth E. Weber, Dirk Oberlin
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Patent number: 4562220Abstract: New polyalkyldiazaspirodecanylacetic acid derivatives are prepared by reacting diazaspirodecanes of the formula ##STR1## in which X is ##STR2## with halogenoacetic acid derivatives, and, if desired, reacting products thus obtained further with alcohols or amines. The compounds can be used as light stabilizers for plastics and lacquers.Type: GrantFiled: April 17, 1983Date of Patent: December 31, 1985Assignee: Hoechst AktiengesellschaftInventor: Hartmut Wiezer
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Patent number: 4500662Abstract: Polysubstituted .alpha.-aminoacetamides of the formula ##STR1## wherein R.sup.1 is tert-alkyl; R.sup.4 is alkyl, phenyl, substituted phenyl, cycloalkyl, piperidinyl, tetraalkylpiperidinyl or an alkylene (.alpha.-aminoacetamide). These compounds are prepared by first reacting an .alpha.-haloacetamide with a base to form an .alpha.-lactam intermediate which in turn is reacted with a primary amine. The compounds are useful as stabilizers of polymeric materials against ultraviolet light degradation.Type: GrantFiled: September 29, 1982Date of Patent: February 19, 1985Assignee: The B. F. Goodrich CompanyInventor: John T. Lai
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Patent number: 4436853Abstract: A metal to rubber adhesion promoter comprising the reaction product of a phenol and a substituted melamine, said phenol being ##STR1## wherein R.sub.1 through R.sub.4 are selected from the group consisting of hydrogen, cyclic and acyclic alkyl groups having from 1 to 10 carbon atoms, and a substituted melamine having the formula ##STR2## where R.sub.5 through R.sub.10 may be the same or different and are selected from the group consisting of alkyl groups having from 1 to 5 carbon atoms. The reaction product is a resin and is added to the rubber compound prior to cure. The adhesion promoter is useful in the making of tires having steel belts and in other reinforced rubber articles.Type: GrantFiled: August 20, 1982Date of Patent: March 13, 1984Assignee: The Goodyear Tire & Rubber CompanyInventor: William W. Schloman, Jr.
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Patent number: 4418002Abstract: The invention relates to melamine group containing compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of a melamine group containing compounds to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may be incorporated into the organic compositions such as polymers by adding to the polymer melt or dissolved in the polymer dope, coated on the exterior of the shaped or molded article, film or extruded fiber.Type: GrantFiled: September 1, 1982Date of Patent: November 29, 1983Assignee: Eastman Kodak CompanyInventors: Joseph S. Zannucci, Wayne P. Pruett
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Patent number: 4418001Abstract: The invention relates to melamine group containing compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of a melamine group containing compounds to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may be incorporated into the organic compositions such as polymers by adding to the polymer melt or dissolved in the polymer dope, coated on the exterior of the shaped or molded article, film or extruded fiber.Type: GrantFiled: September 1, 1982Date of Patent: November 29, 1983Assignee: Eastman Kodak CompanyInventors: Joseph S. Zannucci, Wayne P. Pruett
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Patent number: 4417012Abstract: Additives for rubber compositions, giving vulcanisates having improved retention of optimum physical properties, are compounds containing two or more groups of the formula --S--SO.sub.2 R linked by an organic bridging group, or polymers containing two or more groups of the formula --S--SO.sub.2 R attached to an organic polymer chain, where R represents (a) a radical OM where M is a monovalent metal, the equivalent of a multivalent metal, a monovalent ion derived by the addition of a proton to a nitrogenous base, or the equivalent of a multivalent ion derived by the addition of two or more protons to a nitrogenous base, or (b) an organic radical selected from aliphatic, cycloaliphatic, aromatic and heterocyclic radicals, and radicals which are combinations of any two or more such radicals.Type: GrantFiled: June 30, 1982Date of Patent: November 22, 1983Assignee: Monsanto Europe S.A.Inventor: Philippe G. Moniotte
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Patent number: 4405735Abstract: Diazaspirodecanes of the general formulae ##STR1## are reacted with epoxides or aldehydes to give alcohols and the latter are reacted with bifunctional compounds to form oligomers or polymers which can be used as light stabilizers for synthetic polymers. The alcohols can also be obtained if epoxy compounds which are substituted by the above diazaspirodecanes are converted into their formic acid esters and the latter are saponified.Type: GrantFiled: February 3, 1982Date of Patent: September 20, 1983Assignee: Hoechst AktiengesellschaftInventors: Hartmut Wiezer, Gerhard Pfahler, Helmut Korbanka
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Patent number: 4396796Abstract: An electronic device such as an integrated circuit is encapsulated within a silicone resin formulation having a protonated heterocyclic compound contained therein. The compound complexes with free anionic contaminants to form a non-migratory, non-corrosive protonated heterocyclic compound-anion complex, thereby preventing anionic attack of metallic circuit elements.Type: GrantFiled: October 30, 1980Date of Patent: August 2, 1983Assignee: Western Electric Company, Inc.Inventor: Ching-Ping Wong
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Patent number: 4382801Abstract: The invention relates to a process for spin dyeing polymers of acrylonitrile or copolymers containing predominantly acrylonitrile, which process comprises adding to the spinning solution a monocationic dye salt of the formula ##STR1## wherein D is the group of atoms necessary to close a 5-membered heterocyclic ring containing two N-atoms, or to close a 6-membered heterocyclic ring, which rings may optionally contain fused benzene rings, or is the group of atoms necessary to close a benzthiazole ring, and Q is the radical of a carbocyclic or heterocyclic aromatic coupling component, and R.sub.1 is alkyl, aralkyl or aryl. The yellowish-red transparent fibres obtained have excellent fastness properties.Type: GrantFiled: December 14, 1981Date of Patent: May 10, 1983Assignee: Ciba-Geigy CorporationInventor: Peter Loew
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Patent number: 4368289Abstract: A coating composition of polymers of a vinyl oxazoline drying oil ester which esters are made by a process which reacts drying oil fatty acids with tris (hydroxy methyl) amino methane to form an intermediate which is further reacted at about 175.degree.-190.degree. C. with a formaldehyde/alcohol solution to form the vinyl oxazoline drying oil ester; the improvement used with this process is the use of at least 3 moles of formaldehyde to one mole of intermediate and about 1-5% by weight, based on the weight of the intermediate, of methanol and adding after the reaction with formaldehyde about 5-25% by weight, based on the weight of the ester solution, of an alcohol, a ketone or a mixture of an alcohol and a ketone; the coating composition are aqueous and contain sufficient ammonia or amine to provide a pH of about 7.5-9.5.Type: GrantFiled: December 9, 1981Date of Patent: January 11, 1983Assignee: E. I. Du Pont de Nemours & Co.Inventor: Joseph A. Vasta
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Patent number: 4367304Abstract: Compounds of the formula I, II, III or IV ##STR1## wherein X is halogen, OH, --OR.sup.1, --OOCR.sup.2, --OOC--R.sup.4 --COOR.sup.3 or --N(R.sup.5)(R.sup.6), or the two X groups together form a group --O--R.sup.9 --O-- or --OOC--R.sup.9 --COO--, Y has one of the meanings given for X, or it is --NHR.sup.5, --NHNH.sub.2 or --NHNH-phenyl, Z has one of the meanings given for X, or is --SR, and R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.9 and R' are organic radicals having the meanings defined hereinbelow, are thermal stabilizers for chlorine-containing thermoplastics particularly for PVC. Their effect can be further intensified by the addition of co-stabilizers.Type: GrantFiled: November 4, 1980Date of Patent: January 4, 1983Assignee: Ciba-Geigy CorporationInventors: Klaus-Peter Michaelis, Wolfgang Wehner, Holger Andreas, Horst Muller
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Patent number: 4356274Abstract: Smoke suppressed rigid polyurethane foams are prepared from a reaction mixture comprising as the smoke suppressant additive a metal salt of a: dialkyl dithiocarbamate, a mercaptobenzothiazole, a 2,5-dimercapto-1,3,4-thiadiazole, a mercaptotriazine, a hydroxy thiophenol or an aliphatic dimercapto compound of 2 to 10 carbons.Type: GrantFiled: April 16, 1979Date of Patent: October 26, 1982Assignee: Pennwalt CorporationInventors: Stanley R. Sandler, Jeffrey D. Miano
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Patent number: 4341896Abstract: 1-Hydroxy-4-heteroarylaminoanthraquinones of the formula ##STR1## wherein Q is for example one of the two groups of the formulae ##STR2## are most suitable for the mass coloration of polyester. They are distinguished in particular by good lightfastness and purity of shade. Further definitions of Q will be found in claim 1.Type: GrantFiled: May 19, 1980Date of Patent: July 27, 1982Assignee: Ciba-Geigy CorporationInventor: Max Jost
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Patent number: 4336183Abstract: 2,2,6,6-Tetramethyl-4-piperidyl carboxylic acid esters and amides of mono and poly alcohols, phenols and amines are provided, useful as stabilizers for organic polymeric materials, and having the general formula: ##STR1##Type: GrantFiled: August 14, 1980Date of Patent: June 22, 1982Assignee: Adeka Argus Chemical Co., Ltd.Inventors: Yutaka Nakahara, Toshihiro Shibata, Naohiro Kubota
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Patent number: 4336323Abstract: A light insensitive imageable layer comprising a synthetic polymeric binder, a dye, a nitrate salt, and an acid.Type: GrantFiled: October 22, 1980Date of Patent: June 22, 1982Assignee: Minnesota Mining and Manufacturing CompanyInventor: John M. Winslow