Nitrogen Ring Is Part Of A Ring System Having Three Or More Rings Fused Or Bridged Together Patents (Class 524/89)
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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: 4514533Type: GrantFiled: September 27, 1983Date of Patent: April 30, 1985Assignee: Canusa Coating Systems LimitedInventor: Ralph H. Hansen
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Patent number: 4506047Abstract: It is an object of the invention to provide a polycarbonate composition having improved mechanical properties and a process for the preparation of said composition. These objects are achieved in accordance with the present invention which teaches a blend of a polycarbonate resin and an additive amount of an aromatic bis-imide compound. The composition comprising said blend retains a surprising degree of ductility as measured by tensile elongation and yield strength and exhibits an improvement in both tensile strength and flexural modulus.Type: GrantFiled: June 6, 1983Date of Patent: March 19, 1985Assignee: Mobay Chemical CorporationInventors: Mark W. Witman, Gerard E. Reinert
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Patent number: 4503177Abstract: The stabilization of selected photochromic compounds, selected from certain fulgides and fulgimides, is made possible by associating with such compounds a clay mineral having an expanding crystal lattice, which can stabilize a selected photochromic compound in a higher-energy colored form. The stabilized photochromic compound may be one included in a coating composition, such as a paper coating composition, or may constitute or be incorporated in a filler for a papermaking furnish or for a plastics material. The stabilizer serves to maintain the photochromic compound in its higher-energy colored state or one of its higher-energy colored states, thereby tending to prevent deterioration of color as the photochromic compound converts to an uncolored or weakly colored lower-energy state.Type: GrantFiled: July 6, 1982Date of Patent: March 5, 1985Assignee: English Clays Lovering Pochin & Co., Ltd.Inventors: Paul I. Reid, Brian R. Waters
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Patent number: 4501829Abstract: A coating composition comprising (A) a polyester resin modified with a lactone having 6 to 8 ring carbon atoms (I) or a mixture of said lactone-modified polyester resin (I) and a non-modified polyester resin (II), the lactone content being from 5 to 40% by weight of the total polyester resin (in solid) (I) or (I+II), the number average molecular weight being 800.about.200 mg KOH/g and wherein the resinous acid value is 2.about.20 mg KOH/g, (B) a crosslinking agent, (C) a pigment and (D) optionally other resins. The composition is useful as an intercoat paint for automobile bodies.Type: GrantFiled: September 6, 1983Date of Patent: February 26, 1985Assignee: Nippon Paint Co., Ltd.Inventors: Shoji Oda, Kunihiko Ehara, Hirotoshi Umemoto, Shinji Nakano
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Coating composition of an acrylic polymer, a polyester resin and an ethylene/vinyl acetate copolymer
Patent number: 4482609Abstract: A coating composition used as a sealer coat in the repair of auto and truck finishes which contains as the film forming binder an iminated acrylic polymer, a polyester resin and an ethylene vinyl acetate copolymer and optionally contains ultraviolet light stabilizers.Type: GrantFiled: February 2, 1984Date of Patent: November 13, 1984Assignee: E. I. Du Pont de Nemours and CompanyInventor: Michael E. Woodhouse -
Patent number: 4481315Abstract: Compounds which contain, in their molecule, at least one 2-(2'-hydroxyphenyl)-benztriazole group or one 2-hydroxybenzophenone group and at least one polyalkylpiperidine group are effective light stabilizers for organic materials, in particular for polymers. The use of the compounds as light stabilizers for lacquers is of particular importance.Type: GrantFiled: February 28, 1983Date of Patent: November 6, 1984Assignee: Ciba-Geigy CorporationInventors: Jean Rody, Mario Slongo
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Patent number: 4477499Abstract: Ultraviolet radiation resistant silicone resin coating compositions are provided having improved thermoformability. Improved thermoformability and shortened required aging are achieved by the addition of a Lewis acid compound to the coating compositions is disclosed. Thermoformability is also improved by using the UV screen containing silicone resin coating composition in conjunction with extensible acrylate primers.Type: GrantFiled: September 7, 1982Date of Patent: October 16, 1984Assignee: General Electric CompanyInventors: James E. Doin, Howard A. Vaughn, Jr.
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Patent number: 4467062Abstract: Flame retarded thermoplastic compositions which comprise in intimate admixture: (a) a polyethylene terephthalate, (b) a copolymer of a vinyl aromatic compound and an alpha,beta-unsaturated cyclic anhydride, said copolymer being a rubber-modified graft copolymer or a rubber-free copolymer, (c) a bis-imide flame retardant having at least 8 halogen atoms in the molecule bonded to carbon atoms of aromatic ring systems, (d) optionally, an inorganic synergist for said flame retardant. The compositions preferably contain an impact modifier as well.Type: GrantFiled: August 18, 1983Date of Patent: August 21, 1984Assignee: Ethyl CorporationInventors: Edwin D. Hornbaker, Jesse D. Jones
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Patent number: 4446262Abstract: A photo-stabilized polymer composition comprising a polymer and as an ultraviolet absorber, at least one compound selected from specific cyclic imino esters having an aromatic nucleus, two carbon atoms of which forms a part of the imino ester ring, such as 2,2'-p-phenylene-bis(3,1-benzoxazin-4-one), or 2,8-dimethyl-4H,6H-benzo[1,2-d:5,4-d']bis-[1,3]-oxazine-4,6-dione, in the unreacted state. The ultraviolet absorber has excellent stability to heat and oxidation, and is useful, for example, for protecting from ultraviolet light a molded article of a polymer whose deterioration by ultraviolet light is required to be retarded or prevented or for protecting from ultraviolet light an object subject to deleterious effects under ultraviolet light.Type: GrantFiled: June 16, 1982Date of Patent: May 1, 1984Assignee: Teijin LimitedInventors: Nobuya Okumura, Tetsuo Ichihashi, Shunichi Matsumura, Hiroo Inata
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Patent number: 4439562Abstract: Disclosed is a mass-dyed polymeric material, e.g. polyester, comprising, as dyestuff, a compound or mixture of compounds of formula I ##STR1## herein the nuclei A, B and D may bear one or more substituents and Me is Ni or Cu. The mass-dyed polymeric material is preferably prepared by incorporating the compounds of formula I in form of a master-batch.Type: GrantFiled: August 16, 1982Date of Patent: March 27, 1984Assignee: Sandoz Ltd.Inventor: Hans Bohler
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Patent number: 4431762Abstract: A resin composition containing at least one compound (A) selected from compounds of formulas ##STR1## wherein R.sub.1 and R.sub.2 each denote a hydrogen atom, halogen atom, or alkyl or alkoxy group having 1 to 10 carbon atoms, ##STR2## R.sub.3 denotes a hydrogen atom, alkyl group containing 1 to 10 carbon atoms, naphthyl group or substituent of formula ##STR3## wherein R.sub.4 to R.sub.8, which may be the same or different, each denote a hydrogen atom, halogen atom, nitro group and alkyl or alkoxy group having 1 to 10 carbon atoms.Type: GrantFiled: July 21, 1982Date of Patent: February 14, 1984Assignee: Dainippon Ink & Chemicals Inc.Inventors: Shingo Araki, Keizo Asai, Seibei Ono
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Patent number: 4430467Abstract: A flame retardant polymer composition comprising 2,3-dimethyl-2,3-diphenylbutane, a halogenated bisimide corresponding to the formula: ##STR1## wherein Q is methylene or oxygen, X is chlorine or bromine, R is hydrogen or an alkyl group containing 1-5 carbon atoms, R' is hydrogen or methyl and R" is an organic group containing 1-15 carbon atoms, and a polypropylene polymer selected from the group consisting of polypropylene and copolymers containing at least 50% by weight of co-polymerized propylene monomer.Type: GrantFiled: January 7, 1982Date of Patent: February 7, 1984Assignee: Saytech, Inc.Inventors: Joseph M. Lesniewski, Michael J. Breza
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Patent number: 4401778Abstract: A flame retardant thermoplastic polymer containing a flame retardant amount of a flame retardant additive mixture. The mixture is comprised of halogenated imide-containing polyols having the formula: ##STR1## and the corresponding ethers having the formula: ##STR2## wherein R is a hydrocarbon group having the valence n+2 and is selected from the group consisting of benzene groups, naphthalene groups and alicyclic hydrocarbon groups containing 5 to 10 carbon atoms, X is selected from the group consisting of bromine and chlorine, n is an integer from 1-6 and p is an integer from 2-6. The preferred flame retardant mixture is a derivative of tetrabromophthalic anhydride.Type: GrantFiled: September 17, 1981Date of Patent: August 30, 1983Assignee: Saytech, Inc.Inventors: Henry J. Barda, Joseph M. Lesniewski
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Patent number: 4399244Abstract: This disclosure is concerned with glass reinforced polyethylene terephthalate compositions which have improved heat distortion temperatures when molded into cold molds due to the incorporation of an organic imide containing compound having a melting point in excess of 240.degree. C. These compositions have enhanced crystallization velocities which allows them to be molded into colder molds with faster cycle times than is conventional for polyethylene terephthalate compositions and still obtain crystalline parts with optimum properties including heat distortion temperatures. Mold temperatures of less than 120.degree. C. may be utilized without impairment of these properties.Type: GrantFiled: November 19, 1979Date of Patent: August 16, 1983Assignee: Bayer AktiengesellschaftInventor: Peter Bier
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Patent number: 4396734Abstract: Polymer thickeners having a viscosity of at least 10 K, employed in acid media are stabilized with Redox indicators having from 6 to 30 carbon atoms, such as, for example, methylene blue, phenosafranine, pyronine Y, tartrazine, amaranth, methyl orange, an alkali metal salt of diphenylamine sulfonate and malachite green oxalate, which stabilizers are combined with the polymer in a concentration of between about 0.005 to about 1 weight %.Type: GrantFiled: March 20, 1981Date of Patent: August 2, 1983Assignee: GAF CorporationInventors: Earl P. Williams, Donald H. Lorenz
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Patent number: 4391936Abstract: Certain polyamide molding blends containing carbon black and nigrosine are described which have greater elongation and impact strength than blends of such polyamide and carbon black alone.Type: GrantFiled: August 11, 1982Date of Patent: July 5, 1983Assignee: E. I. Du Pont de Nemours and CompanyInventor: Marion G. Waggoner
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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: 4385140Abstract: The present invention relates to new modified azulmic acids, several processes for their preparation and their use as intermediate products for the synthesis of numerous products.Type: GrantFiled: February 12, 1979Date of Patent: May 24, 1983Assignee: Bayer AktiengesellschaftInventors: Kuno Wagner, Kurt Findeisen
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Patent number: 4369273Abstract: A stabilizing composition consisting of substituted alpha- or beta-naphthindoles, benzoylated or not benzoylated, and combined with organic polyimines such as those of formula 1 of the formulae sheet, in which R is alkyl or dialkyl, ethoxylated alkylmercaptans with 2.varies.8 ethoxy groups and (metal) halides of barium, calcium, lithium, zinc or aluminum, have a strong thermostabilizing effect on chlorine containing thermoplastics, especially on polyvinyl chloride, both homo-M and S polymers thereof, and on polyvinylidene chloride.Type: GrantFiled: August 22, 1980Date of Patent: January 18, 1983Assignee: Nautamix B.V.Inventor: Martinus A. Snel
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Patent number: 4359570Abstract: Disclosed are colored polyester compositions containing copolymerized anthraquinone dyes as colorants, which compositions may be used, for example, for food packaging and to mold colored beverage bottles. The copolymerized dyes are thermally stable at the processing temperatures, and are colorfast and nonextractable. The useful dyes have the general formula: ##STR1## wherein either or both of rings A and B may contain in any position thereon one or two groups of the formula ##STR2## R and R.sup.3 each is hydrogen, lower alkyl or lower hydroxyalkyl; R.sup.1, R.sup.2, R.sup.4 and R.sup.5 each is hydrogen or 1-3 substituents such as lower alkyl, lower alkoxy, phenyl, Cl, Br, or the like; X is --S-- or --NH--; n is 1 or 2; m is 0, 1, or 2.Type: GrantFiled: October 26, 1981Date of Patent: November 16, 1982Assignee: Eastman Kodak CompanyInventors: Thomas G. Davis, Max A. Weaver
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Patent number: 4356307Abstract: Cyclic imides of the formula: ##STR1## in which R represents a saturated or unsaturated, optionally alkyl- or alkenyl-substituted alkylene or cycloalkylene radical having 2-120 C-atoms and R' represents hydrogen or a substituent selected from the group consisting ofan alkyl radical having 1-20 C-atoms,an alkenyl radical having 3-5 C-atoms,an aralkyl radical having 7-12 C-atoms,--CH.sub.2 --CH.sub.2 --CN,--CH.sub.2 --CH.sub.2 --COO--alkyl,--CH.sub.2 --CH.sub.2 (CH.sub.3)--COO-alkylan acyl radical or--(CH.sub.2 --CH.sub.2 O).sub.n H, wherein n is 1-10are stabilizers for synthetic resins especially for polyolefins.Type: GrantFiled: February 17, 1981Date of Patent: October 26, 1982Assignee: Chemische Werke Huls AktiengesellschaftInventors: Heike Kelkenberg, Elmar Wolf
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Patent number: 4339383Abstract: The invention relates to alkanolamido-.beta.-carboxylic acid esters of the formula I ##STR1## A full definition of the above formula will be found in claim 1 of the specification. These compounds are useful stabilizers for chlorinated thermoplastics.Type: GrantFiled: July 2, 1980Date of Patent: July 13, 1982Assignee: Ciba-Geigy CorporationInventors: Wolfgang Wehner, Klaus-Peter Michaelis, Rainer Schneider
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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
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Patent number: 4325862Abstract: A solid pigment composition comprises an intimate mixture of a pigment and a copolymer of an alkyl or cycloalkyl methacrylate ester and a lesser amount of an aminoalkyl methacrylate ester. The compositions are compatible with a wide range of substrates such as paints, printing inks and bulk polymers.Type: GrantFiled: June 2, 1980Date of Patent: April 20, 1982Assignee: Sandoz Ltd.Inventor: Johann Schuster