Nonreactive Material Contains Atom Other Than C, H, Or O Patents (Class 524/305)
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Patent number: 5106893Abstract: A fiber-reinforced polymer composition containing resin components including (a) 30-90 weight % of a polyamide resin, and (b) 10-70 weight % of polyolefin+unsaturated carboxylic acid-modified polyolefin, based on the resin components; and, per 100 parts by weight of the total components, (c) 5-50 parts by weight of glass fibers, and (d) additives including the following set of additives: 0.1-1 parts by weight of N,N'-hexamethylene-bis (3,5-di-tert-butyl-4-hydroxy-hydrocinnamide); 0.1-1 parts by weight of triethylene glycol-bis [3-(3-tert-butyl-5-methyl-4-hydroxyphenyl) propionate]; and 0.1-1 parts by weight of pentaerythrityl-tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate]. An alternative set of additives are 0.1-2 parts by weight of N,N'-bis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionyl] hydrazine; 0.05-0.5 parts by weight of pentaerythrityl-tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate]; 0.05-0.5 parts by weight of distearyl-pentaerythritol diphosphite; and 0.Type: GrantFiled: February 7, 1991Date of Patent: April 21, 1992Assignees: Tonen Sekiyukagaku Kabushiki Kaisha, Nippondenso Co., Ltd.Inventors: Kunio Iwanami, Kissho Kitano, Kiyotada Narukawa, Masato Sakuma, Takashi Mikami, Masami Esaki, Koji Egashira, Hiroyuki Wakabayashi, Fumio Kato
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Patent number: 5100940Abstract: Phenolic N-(amido)imides are provided which are useful as antioxidant stabilizers for organic materials, including a large variety of synthetic polymers, typically subject to thermooxidative degradation. The antioxidant effectiveness of the phenolic N-(amido)imide stabilizers is enhanced by the deactivating potential of the amido-imide moiety towards metals or metal ions that frequently contaminate polymer compositions and serve to catalyze thermal degradation.Type: GrantFiled: August 20, 1991Date of Patent: March 31, 1992Assignee: Atochem North America, Inc.Inventor: Jerome Wicher
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Patent number: 5017633Abstract: A filled polyolefin, particularly polypropylene, containing a sterically hindered phenol antioxidant and a compound of formula I and/or II ##STR1## in which R is unsubstituted phenyl or phenyl substituted by 1 or 2 C.sub.1-12 alkyl groupsn is 0 or 1 andA is a monofunctional or difunctional residue of a phenyl, diphenyl, diphenyl ether, diphenylmethane or dibenzofuran,as processing stabilizer has good long-term stability even in the absence of conventional sulphur-containing co-stabilizers.Type: GrantFiled: July 6, 1989Date of Patent: May 21, 1991Assignee: Sandoz Ltd.Inventor: Guenther Tscheulin
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Patent number: 4963594Abstract: Vinyl chloride based polymers are heat/color stabilized by formulating therewith a stabilizing amount of (i) at least one organozinc derivative, (ii) at least one organic derivative of a metal from Group IIa of the Periodic Table, and (iii) at least one thiomalic acid diester.Type: GrantFiled: July 21, 1989Date of Patent: October 16, 1990Assignee: Rhone-Poulenc Specialites ChimiquesInventor: Michel Gay
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Patent number: 4914145Abstract: As an outline of the invention of the present inventors, the gist of the present invention resides in the following:A polyester composition comprising:(A) 100 parts by weight of a substantially linear polyester comprising, as the main constituent unit, ethylene terephthalate;(B) 0.05 to 15 parts by weight of a crystallization promotor; and(C) 0.1 to 15 parts by weight of at least one plasticizer selected from the group consisting of (C.sub.1), (C.sub.2), (C.sub.3) and (C.sub.4) which are defined as follows:(C.sub.1) a condensation product of a compound of the formula (I):(HQ-R).sub.2 S (I)wherein two R groups may be the same as or different from each other and represent a hydrocarbon group selected from the group consisting of aliphatic, alicyclic, and aromatic hydrocarbon groups and any combination thereof, and two Q groups may be the same as or different from each other and represent oxygen or sulfur, with an organic compound containing two alcoholic or phenolic hydroxyl groups:(C.sub.Type: GrantFiled: June 16, 1987Date of Patent: April 3, 1990Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Akira Tohdoh, Takashi Nagai, Takayuki Nakano, Takashi Ueda
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Patent number: 4906299Abstract: Paper coating compositions contain at least one pigment, at least one binder, and as an insolubilizer for the binder, the product of reacting glyoxal with a polyhydroxyl substituted ester, then with a polyol.Type: GrantFiled: September 29, 1988Date of Patent: March 6, 1990Assignee: Sequa Chemicals Inc.Inventor: Louis R. Dragner
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Patent number: 4839408Abstract: The invention relates to a stabilized polyolefin composition, which composition is stabilized against deterioration caused by contact with heavy metals and improved in coloration properties. This is achieved by blending a polyolefin with:(A) a phenolic compound represented by the formula (I), ##STR1## wherein R.sub.1 represents a C.sub.1 -C.sub.3 alkyl group, (B) a metal deactivator having one or more ##STR2## groups in the side chain, and (C) a sulfur-containing compound represented by the formula (II-1), (II-2), (II-3) or (II-4): ##STR3## wherein R.sub.2 represents a C.sub.4 -C.sub.20 alkyl group, ##STR4## wherein R.sub.3 represents a C.sub.4 -C.sub.20 alkyl group, ##STR5## wherein R.sub.4 represents a C.sub.3 -C.sub.18 alkyl group, and R.sub.5 and R.sub.6 independently represent a hydrogen atom or a C.sub.1 -C.sub.6 alkyl group, ##STR6## wherein R.sub.7 represents a C.sub.3 -C.sub.18 alkyl group.Type: GrantFiled: August 15, 1988Date of Patent: June 13, 1989Assignee: Sumitomo Chemical Company, LimitedInventors: Yoshiharu Fukui, Kazuhisa Kuroda, Tamaki Ishii, Manji Sasaki
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Patent number: 4829115Abstract: This invention is concerned with the stabilization of organic materials subject to oxidative degradation. The synergists of this invention possess organothioethyl alcohol segmers or moieties which enhance the antioxidative activity of phenolic and amine stabilizers. The invention is also concerned with compounds that contain an organothioethyl alcohol moiety and their use in oxidizable materials in combination with polymerizable and/or conventional antidegradants.Type: GrantFiled: March 3, 1988Date of Patent: May 9, 1989Assignee: The Goodyear Tire & Rubber CompanyInventor: Kirkwood S. Cottman
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Patent number: 4820755Abstract: This invention provides polymers containing radiochromic hindered phenolic stabilizers which are characterized by including a blue compound which interacts with the hindered phenolic during irradiation to provide a color change indicative of sterility.Type: GrantFiled: August 18, 1987Date of Patent: April 11, 1989Assignee: American Cyanamid CompanyInventor: Joseph R. Webster
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Patent number: 4778840Abstract: Polypropylene compositions containing as stabilizer at least one compound of the formula I ##STR1## in which x is 0 or 1,n is 1, 2, 3 or 4,R.sub.1 is C.sub.1 -C.sub.6 alkyl,R.sub.2 is hydrogen or C.sub.1 -C.sub.6 alkyl, andR.sub.3 is C.sub.1 -C.sub.30 alkyl.Type: GrantFiled: September 11, 1987Date of Patent: October 18, 1988Assignee: Ciba-Geigy CorporationInventors: Helmut Linhart, Paul Moser
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Patent number: 4727103Abstract: Isocyanurate esters of carboxyalkylthioalkanoesterphenols useful in the stabilization of organic materials normally susceptible to oxidative degradation are prepared by reacting an appropriate isocyanurate trithiol, which is a selected tris-mercapto alkanoic acid ester of tris-(2-hydroxyethyl) isocyanurate with an appropriate alkenyl compound, which is a selected 4-hydroxy-(mono- or di-alkyl)phenyl alkyl alkenoate. In a preferred embodiment, the ester is 1,3,5-tris [( 3,5-di-tert-butyl-4-hydroxyphenyl)-(3-propyl) oxycarbonylethylthiopropionyloxyethyl] isocyanurate.Type: GrantFiled: June 29, 1987Date of Patent: February 23, 1988Assignee: Mallinckrodt, Inc.Inventor: Neil Dunski
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Patent number: 4680325Abstract: Isocyanurate esters of thioalkanoamidophenols useful in the stabilization of organic materials normally susceptible to oxidative degradation are prepared by reacting an appropriate isocyanurate trithiol, which is a selected tris-mercapto alkanoic acid ester of tris-(2-hydroxyethyl) isocyanurate with an appropriate alkenyl compound, which is a selected N-alkenyl[4-amino-(mono- or dialkyl)phenol] or, where the alkano moiety is a sole methylene group, by reaction of tris-(2-hydroxyethyl) isocyanurate with an appropriate [mercapto-N-(mono- or di-alkyl]-4-hydroxyphenylalkanamide alkenoic] acid. In a preferred embodiment, the ester is 1,3,5-tris{2-hydroxy ethyl-[3-mercapto-(3',5'-di-tert-butyl-4'-hydroxypropionanilide)]propionat e}isocyanurate.Type: GrantFiled: February 10, 1986Date of Patent: July 14, 1987Assignee: Mallinckrodt, Inc.Inventors: Neil Dunski, Ali A. Bazzi, Henry J. Buehler
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Patent number: 4665114Abstract: This invention relates to stabilizer compositions for polymers comprising (1) an organotin compound, or mixture of organotin compounds, (2) a mercaptan-containing organic compound or mixture of mercaptan-containing organic compounds, and, optionally, (3) a halogen-containing tin compound or mixture of halogen-containing tin compounds, said stabilizers having a total halogen content of about 0.1% to about 10% by weight based on the weight of the stabilizer composition. This invention also relates to polymer compositions containing said stabilizers, to a process for stabilizing polymer by adding thereto said stabilizers, and to articles of manufacture, e.g. pipe, comprising a polymer and said stabilizers.Type: GrantFiled: January 10, 1984Date of Patent: May 12, 1987Assignee: Morton Thiokol Inc.Inventors: Thomas G. Kugele, Keith A. Mesch, Karl R. Wursthorn
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Patent number: 4485202Abstract: An isocyanuric acid derivative useful as a stabilizer for organic substances, which is represented by the general formula ##STR1## wherein A represents ##STR2## R being an alkyl, cycloalkyl, aryl or aralkyl group having 1 to 8 carbon atoms; a process for preparing same; organic substances stabilized with same; and a method of stabilizing an organic substance.Type: GrantFiled: September 20, 1982Date of Patent: November 27, 1984Assignee: Sumitomo Chemical Company, LimitedInventors: Yutaka Terada, Shinichi Yachigo, Tamaki Ishii
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Patent number: 4477523Abstract: A filled crosslinked polymeric composition of ethylene-vinyl ester copolymer which has a significant degree of flame retardancy by inclusion of a dual lubricant system which includes a fatty acid and an alkylene-bis-amide.Type: GrantFiled: September 28, 1983Date of Patent: October 16, 1984Assignee: National Distillers and Chemical CorporationInventors: James W. Biggs, Melvin F. Maringer
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Patent number: 4469835Abstract: A connector member (11) is disclosed for sealed connection with a second connector member (30), to permit sealed flow of material through the joined connector members. The connector member (11) is made of a material selected from the group consisting of aliphatic hydrocarbon resins, aliphatic polyester resins, copolymers of olefins and vinyl acetate, and olefin-acrylate copolymers. The material also contains an effective amount of an antioxidant agent being selected to provide to the material the characteristic of permitting transmission of at least 15 percent of at least one wavelength of ultraviolet radiation having a wavelength between 220 and 300 nanometers through a thickness of 0.003 inch of the material.Type: GrantFiled: June 5, 1981Date of Patent: September 4, 1984Assignee: Baxter Travenol Laboratories, Inc.Inventor: Dean G. Laurin
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Patent number: 4463112Abstract: Organic polyphosphites are disclosed having in the molecule at least two phosphite ester groups, at least one of which is linked through oxygen to a phenylethylidene-substituted phenyl group and to a residue of a polyhydroxy compound which is a pentaerythritol residue or a residue of a phenol or alcohol having two to three hydroxyl groups separated from one another by at least three carbon atoms.Polymer stabilizer compositions comprising an organic polyphosphite as disclosed and a known polymer stabilizer, as well as synthetic resin stabilized with such stabilizer compositions, are also disclosed.Type: GrantFiled: February 13, 1980Date of Patent: July 31, 1984Inventors: William E. Leistner, Motonobu Minagawa, Yutaka Nakahara, Kazumi Kitsukawa
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Patent number: 4463117Abstract: A heat-stable, polymer-forming composition of a polymerizable material, a transition metal compound, a polymer chain terminator, and, optionally, a preventive antioxidant is disclosed as well as particular uses of such composition.Type: GrantFiled: April 19, 1982Date of Patent: July 31, 1984Assignee: Technicon Instruments CorporationInventor: Michael J. Malin
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Patent number: 4440893Abstract: The incorporation of a metal oxide into a specific ethylene polymer-based molding composition reduces or eliminates the formation of bubbles during molding.Type: GrantFiled: February 16, 1983Date of Patent: April 3, 1984Assignee: Phillips Petroleum CompanyInventors: Lyle R. Kallenback, Faber B. Jones
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Patent number: 4429068Abstract: A rubber material which is a cured rubber having a hardness of from 30.degree. as measured with an A-type rubber hardness tester to 15.degree. as measured with an F-type rubber hardness tester and an impact resilience of not less than 50%. The material has excellent vibration-proof, sound-proof, shock-absorbing or cushioning properties and is useful as a material for vibration-proof, sound-proof, shock-absorbing and cushioning members.Type: GrantFiled: November 19, 1981Date of Patent: January 31, 1984Assignee: Hohyu Rubber Co., Ltd.Inventor: Akitaro Nakahira
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Patent number: 4391757Abstract: In accordance with this invention there are provided organic antimony stabilizer compositions effective in stabilizing halogen containing organic polymers against the deteriorative effects of heat comprising (1) at least one organic antimony compound having at least one antimony to sulfur to carbon (i.e. Sb-S-C) linkage, (2) elemental sulfur, and (3) at least one 2-mercaptocarboxylic acid. Said 2-mercaptocarboxylic acid and elemental sulfur also serve to provide hydrolytic and UV light stability to the antimony compound per se. Also provided are stabilized organic polymer compositions comprising a halogen containing polymer and said organic antimony stabilizer composition.Type: GrantFiled: November 27, 1981Date of Patent: July 5, 1983Assignee: Carstab CorporationInventors: Thomas G. Kugele, Dennis W. Gilmore
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Patent number: 4385143Abstract: Synthetic resins, particularly polyolefins, are markedly improved in their resistances to heat and oxidation by the incorporation of a 2-methyl-4-t-butyl-5-hydroxyphenylalkanoic acid ester alone or in combination with a thioether-type antioxidant represented by the general formula ##STR1## wherein R represents an alkyl group of 12 to 20 carbon atoms, or by the general formula ##STR2## wherein R represents an alkyl group of 4 to 20 carbon atoms.Type: GrantFiled: August 31, 1981Date of Patent: May 24, 1983Assignee: Sumitomo Chemical Company, LimitedInventors: Shinichi Yachigo, Yuko Takahashi, Tsutomu Mitsuda, Mitsuhisa Nakatani
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Patent number: 4381362Abstract: Crosslinkable ethylene-vinyl acetate copolymer compositions containing silane-treated hydrated inorganic filler are capable of passing the CSA varnish test if an antioxidant composition comprising distearyl-3, 3' thiodiproprionate is admixed therewith.Type: GrantFiled: August 21, 1981Date of Patent: April 26, 1983Assignee: National Distillers & Chemical Corp.Inventors: James W. Biggs, Melvin F. Maringer
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Patent number: 4373042Abstract: New N,N'-di-(hydroxy-phenyl) derivatives of piperazine are disclosed. These new compounds are useful for stabilizing thermoplastic polymers, in particular polyolefins, against sunlight, heat and oxidation.A process for producing the new compounds is also disclosed, as well as the polymeric compositions stabilized with said new compounds.Type: GrantFiled: May 9, 1980Date of Patent: February 8, 1983Assignee: Montedison S.p.A.Inventors: Francesco Gratani, Giuseppe Nelli, Piero Di Battista, Osvaldo Cicchetti
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Patent number: 4363885Abstract: A bumper having excellent rigidity, resistance to thermal deformation and to mechanical impact at a low temperature and superior lacquer-bonding property is made from a propylene polymer composition comprising:(A) 55 to 65% by weight of at least one crystalline ethylene-propylene block copolymer in which the content of the polymerized ethylene is in the range of from 5 to 10% by weight, in which the polypropylene component has a fraction thereof insoluble in boiling n-heptane, in an amount of 97% or more, in which a fraction thereof soluble in p-xylene at room temperature, has an intrinsic viscosity of from 3 to 4 determined in decahydronaphthalene at a temperature of 135.degree. C. and which has a melt flow index of from 2 to 10;(B) 30 to 35% by weight of at least one amorphous ethylene-propylene copolymer having an intrinsic viscosity of from 2.0 to 3.5 determined in decahydronaphthalene at a temperature of 135.degree. C., and a Mooney viscosity ML.sub.Type: GrantFiled: June 24, 1981Date of Patent: December 14, 1982Assignees: UBE Industries, Ltd., Toyota Jidosha Kigyo Kabushiki KaishaInventors: Osamu Fukui, Yoshiro Umemoto, Tsugumi Sanmiya, Yutaka Sano, Kazuyoshi Tanaka
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Patent number: 4360619Abstract: This invention relates to stabilizer compositions for polymers comprising (1) an organotin compound, or mixture of organotin compounds, (2) a mercaptan-containing organic compound or mixture of mercaptan-containing organic compounds, and, optionally, (3) a halogen-containing tin compound or mixture of halogen-containing tin compounds, said stabilizers having a total halogen content of about 0.1% to about 10% by weight based on the weight of the stabilizer composition. This invention also relates to polymer compositions containing said stabilizers, to a process for stabilizing polymer by adding thereto said stabilizers, and to articles of manufacture, e.g. pipe, comprising a polymer and said stabilizers.Type: GrantFiled: February 26, 1981Date of Patent: November 23, 1982Assignee: Carstab CorporationInventors: Thomas G. Kugele, Keith A. Mesch, Karl R. Wursthorn
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Patent number: 4338226Abstract: This invention is directed to a process for stabilizing polyvinyl chloride molding mixtures which comprises admixing(a) from about 0.2 to 5 parts by weight of a sodium aluminosilicate of small particle size;(b) from about 0.05 to 1.5 parts by weight of one or more calcium salts of fatty acids;(c) from about 0.05 to 0.5 parts by weight of one or more zinc salts of fatty acids;(d) from about 0.2 to 2.0 parts by weight of partial esters of polyols and fatty acids; and(e) from about 0.1 to 10 parts by weight of thioglycolic acid esters of polyols and/or thioglycolic acid esters of monofunctional alcohols per 100 parts by weight of polyvinyl chloride or copolymer of vinyl chloride.Type: GrantFiled: October 7, 1980Date of Patent: July 6, 1982Assignee: Neynaber Chemie GmbHInventors: Kurt Worschech, Peter Wedl, Frido Loffelholz, Bernd Wegemund, Werner Erwied
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Patent number: 4338228Abstract: A polyolefin composition comprising a modified polyolefin obtained by adding an unsaturated carboxylic acid or an anhydride thereof to a polyolefin or mixtures of said modified polyolefin and an unmodified polyolefin, an inorganic filler, one or more nucleating agents or a combination thereof with one or more heat deterioration inhibitors, said polyolefin composition evidencing reduced deterioration by heat or reduction of its mechanical strength during a molding operation.Type: GrantFiled: October 7, 1980Date of Patent: July 6, 1982Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Hiroshi Inoue, Masaaki Isoi, Makoto Yoda, Masato Komatsu
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Patent number: 4327000Abstract: Stabilizer mixtures consisting of(a) a thioether of the formula I ##STR1## and (b) a stabilizer containing a metal selected from the group consisting of zinc, calcium, cadmium, barium, magnesium, tin or antimony, or also zinc in combination with at least one of the metals just referred to. The definitions of the substituents and symbols in formula I will be found in claim 1.These stabilizer mixtures ensure an excellent heat-stabilizing action in chlorinated thermoplastics.Type: GrantFiled: March 24, 1980Date of Patent: April 27, 1982Assignee: Ciba-Geigy CorporationInventors: Horst Muller, Hermann O. Wirth