Oxygen Organic Compound Containing Patents (Class 252/403)
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Patent number: 4284790Abstract: 3-Hydroxylbenzyl compounds of formula, ##STR1## in which each of R.sub.1, R.sub.2 and R.sub.3 is a hydrocarbon group, e.g. alkyl, R.sub.4 is hydrogen or alkyl, or forms with R.sub.1 --CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 --, and Z is either an oxygen- or sulphur-containing group featuring at least one ester or amide moiety, or a disubstituted amino group, Z being bound to the rest of the molecule via the oxygen or sulphur atom, or nitrogen atom, respectively, are useful as antioxidants. Organic materials which are susceptible to the degradative effects of oxygen are treated with one or more of such compounds, e.g. by incorporation into the body of the organic material, in order to be stabilized against such effects.Type: GrantFiled: January 23, 1979Date of Patent: August 18, 1981Assignee: Sandoz Ltd.Inventors: Hans Hinsken, Horst Mayerhoefer, Wolfgang Mueller
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Patent number: 4284415Abstract: An additive for inhibiting sedimentation and retarding degradation of hydrocarbon oils as evidenced by discoloration comprises the reaction product of an alkoxyalkylamine with an epihalohydrin at a temperature from about 40.degree. C. to about 150.degree. C. in the presence of an inorganic base.Type: GrantFiled: November 8, 1979Date of Patent: August 18, 1981Assignee: UOP Inc.Inventors: Gary W. Y. Kwong, Joseph Levy
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Patent number: 4277366Abstract: Poly(alkylene oxide) compositions are provided which exhibit excellent resistance to oxidative degradation and inhibit the corrosion of ferrous metals, which compositions have incorporated therein an effective amount of a mononuclear aromatic compound having at least one substituent nitro group.Type: GrantFiled: September 26, 1979Date of Patent: July 7, 1981Assignee: Union Carbide CorporationInventor: Blake F. Mago
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Patent number: 4272571Abstract: A process for preserving substantially any variety of flower while retaining the natural colors thereof, in which the flower is immersed in an essentially water-free composition comprising: at least one dehydrating alcohol, a carboxylic acid, a urea-containing compound, an alkaline citrate, and zero to an effective amount of at least one of a silicone fluid, a silicone resin, an alkaline formaldehyde sulfoxylate, aluminum or magnesium sulphate and cupric or other transitional metal sulphate for sufficient time to dehydrate the flower, said composition also containing a sufficient quantity of at least one compound in the group consisting of an alkaline phosphate, a lower carboxylic acid and phenol so as to ensure that the composition has a pH in the range 5-7. Following immersion the flower is dried and, if desired coated with a silicone resin.Type: GrantFiled: June 4, 1979Date of Patent: June 9, 1981Assignee: Queen's University at KingstonInventors: Cesar Romero-Sierra, John C. Webb
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Patent number: 4263176Abstract: Brighteners for detergents consisting of a mixture of 4,4'-bis-(2-morpholino-4-anilino-1,3,5-triazinylamino)-stilbene-2,2'-disul fonic acid-di-Na salt and from 5 to 50% by weight, calculated on said brightener, of another brightener of the formula ##STR1## in the above formula, M is an alkali metal cation, preferably sodium, X is a group of the formula --COR.sub.2 or --SO.sub.2 R.sub.3, R.sub.2 being C.sub.1 -C.sub.8 -alkyl and R.sub.3 being C.sub.1 -C.sub.5 -alkyl, C.sub.4 -C.sub.8 -cycloalkyl, phenyl or toluyl, Y is hydrogen or C.sub.1 -C.sub.5 -alkyl, A is C.sub.3 -C.sub.6 -alkylene, R.sub.1 is hydrogen, C.sub.1 -C.sub.5 -alkyl, C.sub.4 -C.sub.8 -cycloalkyl, or a group of the formula ##STR2## and Z is an anilino group, a chloroanilino group or a morpholino group. Said brightener mixtures are color-stable and do not show any green discoloration even after a prolonged storage in a moist atmosphere.Type: GrantFiled: November 16, 1979Date of Patent: April 21, 1981Assignee: Hoechst AktiengesellschaftInventors: Thomas Martini, Helmut Mengler, Gunter Rosch, Gunter Hohlfeld
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Patent number: 4260501Abstract: Lubricant compositions containing oleaginous materials and, in an amount sufficient to impart oxidation stability and corrosion resistance thereto, an adduct of a benzotriazole compound and an alkyl vinyl ether or a vinyl ester of a carboxylic acid in combination with an alkyl dimercapto thiadiazole.Type: GrantFiled: May 11, 1979Date of Patent: April 7, 1981Assignee: Mobil Oil CorporationInventor: Joosup Shim
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Patent number: 4256595Abstract: A diesel crankcase lubricant composition comprising a lubricating oil base and the reaction product of a hydrocarbyl succinic anhydride in which the hydrocarbyl radical has from 12 to 30 carbon atoms and 5-amino-triazole is provided.Type: GrantFiled: November 5, 1979Date of Patent: March 17, 1981Assignee: Texaco Inc.Inventors: Rodney L. Sung, Benjamin H. Zoleski
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Patent number: 4252746Abstract: Novel compositions of matter comprise the reaction products of one molar proportion of poly(oxyalkylene)amines with from about 0.5 to about 2.0 molar proportion of epihalohydrins at a temperature from about 40.degree. C. to about 150.degree. C. in the presence of an inorganic base.Type: GrantFiled: November 8, 1979Date of Patent: February 24, 1981Assignee: UOP Inc.Inventor: Gary Kwong
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Patent number: 4252745Abstract: Novel compositions comprise the polymeric reaction products of primary alkoxyalkylamines with epihalohydrins at temperatures in the range from about 40.degree. C. to about 150.degree. C. in the presence of an inorganic base. Such reaction products may be used as sedimentation and degradation inhibitors in hydrocarbon oils, antifoulants, carburetor detergents, lubricant additives, and corrosion inhibitors.Type: GrantFiled: November 8, 1979Date of Patent: February 24, 1981Assignee: UOP Inc.Inventors: Gary Kwong, Joseph Levy
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Patent number: 4251435Abstract: Substituted high molecular weight hindered spiropiperidine compounds and polymer compositions stabilized by these compounds. The spiropiperidine compounds are prepared by reacting hindered 4-piperidinone hydrochloride with an activated benzene, such as resorcinol, in an acid medium.Type: GrantFiled: November 30, 1979Date of Patent: February 17, 1981Assignee: The B. F. Goodrich CompanyInventors: Pyong-Nae Son, John T. Lai
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Patent number: 4248725Abstract: Lubricating oil additives having both dispersant and antioxidant activity, particularly useful for incorporation in two-stroke petrol engine lubricating oil compositions, are produced when a dispersant having free >N-H groups, e.g. a substituted succinimide is reacted with an aldehyde and a compound having antioxidant activity containing in its molecular structure a group or groups capable of condensing with the aldehyde and >N-H groups present in the dispersant, thereby chemically bonding the compound to the dispersant. Representative antioxidants are mononuclear and polynuclear substituted phenols having at least one unsubstituted ortho- or para-position, e.g. 2,6-di-tert-butyl phenol and secondary aromatic amines. Typical reaction conditions are a temperature in the range 100.degree. to 175.degree. C. and atmospheric pressure.Type: GrantFiled: March 19, 1979Date of Patent: February 3, 1981Assignee: Chevron Research CompanyInventors: John Crawford, Geoffrey A. Hill
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Patent number: 4242224Abstract: Pink discoloration in amine antioxidant and antiozonant emulsions utilized in the latex industry at high pH has been prevented or retarded by the addition of stabilizers selected from dialkylhydroxylamines or mercaptans. These stabilizers are added at a ratio of from 0.1 to 5 parts by weight per 100 parts by weight of the age resister. In addition, a reversal of discoloration in a liquid amine antioxidant has been achieved by mixing the same type of stabilizer directly with the antioxidant.Type: GrantFiled: August 17, 1979Date of Patent: December 30, 1980Assignee: The Goodyear Tire & Rubber CompanyInventors: Paul R. Dean, II, Joseph A. Kuczkowski
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Patent number: 4239497Abstract: An additive for inhibiting sedimentation and retarding degradation of hydrocarbon oils as evidenced by discoloration comprises the reaction product of a poly(oxyalkylene)amine with an epihalohydrin at a temperature from about 40.degree. C. to about 150.degree. C. in the presence of an inorganic base.Type: GrantFiled: November 8, 1979Date of Patent: December 16, 1980Assignee: UOP Inc.Inventor: Gary W. Y. Kwong
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Patent number: 4238351Abstract: Polymers comprising terephthalyl-or oxal arylamide groups represent excellent light stabilizers for synthetic, semi-synthetic and/or naturally occurring organic materials.Type: GrantFiled: April 12, 1976Date of Patent: December 9, 1980Assignee: Bayer AktiengesellschaftInventors: Franz Alfes, Wolfgang Jacob, Karl-Heinrich Meyer, Ludwig Bottenbruch
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Patent number: 4233470Abstract: Materials and methods are shown for increasing the antioxidant protection of polyolefin insulation, such as low density polyethylene insulation on electrical conductors. The materials may be applied in the field to increase the service life of in-place cable. The material is typically applied by brushing or spraying a lacquer-based carrier containing the inventive stabilizer onto the insulation to be protected. The stabilizer migrates into the polyolefin insulation, typically increasing the service life of antioxidant depleted cable by several years.Type: GrantFiled: July 6, 1979Date of Patent: November 11, 1980Assignee: Bell Telephone Laboratories, IncorporatedInventor: Frederick R. Wight, Jr.
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Patent number: 4222931Abstract: Stabilizers for organic polymeric materials are provided, comprising a phosphonic acid ester, a phenolic antioxidant and a 2,2,6,6-tetramethyl-4-piperidyl ether alcohol or ether having the general formula: ##STR1## wherein R.sub.2 is lower alkyl or hydroxyalkyl having from one to six carbon atoms;R.sub.3 is a hydrogen atom, provided R.sub.2 is hydroxyalkyl; ##STR2## R.sub.2 and R.sub.3 may be taken together to form ##STR3## Y is selected from the group consisting of hydrogen and O.Type: GrantFiled: December 8, 1977Date of Patent: September 16, 1980Assignee: Argus Chemical CorporationInventors: Motonobu Minagawa, Yutaka Nakahara, Naohiro Kubota, Toshihiro Shibata
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Patent number: 4219463Abstract: Stabilizers for organic polymeric materials are provided, comprising a 2,2,6,6-tetramethyl-4-piperidyl carboxylic acid ester having the general formula: ##STR1## wherein: R.sub.1 is selected from the group consisting of ##STR2## Y is selected from the group consisting of hydrogen and O; R.sub.Type: GrantFiled: November 17, 1977Date of Patent: August 26, 1980Assignee: Argus Chemical CorporationInventors: Motonobu Minagawa, Naohiro Kubota, Tohru Haruna, Toshihiro Shibata
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Patent number: 4210577Abstract: Stabilizers for organic polymeric materials are provided, comprising a 2,2,6,6-tetramethyl-4-piperidyl carboxylic acid ester having the general formula: ##STR1## wherein: R.sub.1 is selected from the group consisting of ##STR2## Y is selected from the group consisting of hydrogen and O.sup.. ; R.sub.Type: GrantFiled: December 8, 1977Date of Patent: July 1, 1980Assignee: Argus Chemical CorporationInventors: Motonobu Minagawa, Yutaka Nakahara, Naohiro Kubota, Toshihiro Shibata
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Patent number: 4209440Abstract: This invention relates to new associations of a compound of the formula: ##STR1## wherein R.sub.1 and R.sub.2 represent a hydrogen atom, an alkyl, alkoxy or hydroxy radical and R represents a hydrogen atom or an alkyl or alkoxy radical, and of a compound of the formula: ##STR2## wherein R.sub.3 represents an alkyl, alkenyl, alkynyl or aralkyl radical or a radical of the formula R.sub.4 --O(CH.sub.2).sub.n --, wherein R.sub.4 represents an alkyl or phenyl radical and n is 2, 3 or 4.The associations according to the invention are stabilizers for vinyl resins.Type: GrantFiled: October 16, 1978Date of Patent: June 24, 1980Assignee: LabazInventors: Charles Pigerol, Marie-Madeleine Chandavoine, Paul de Cointet de Fillain
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Patent number: 4207228Abstract: Novel polysubstituted 1,5-diazacycloalkanes and polysubstituted 2-keto-1,5-diazacycloalkanes are powerful stabilizers for materials subject to ultraviolet (UV) light degradation, particularly for polyolefins. The cyclic compounds of this invention have (a) a fixed three-carbon bridge between the N.sup.1 and N.sup.5 atoms of the diaza ring, the remaining portion of the ring having a variable length bridge of two or more carbon atoms, (b) an N-adjacent carbon atom of the diaza ring is polysubstituted, that is, has two substituents which may be cyclizable.Compositions containing (a) the polysubstituted 1,5-diazacycloalkanes and polysubstituted 2-keto-1,5-diazacycloalkanes of this invention, and (b) prior art polysubstituted 1,5-diazacycloalkanes and polysubstituted 2-keto-1,5-diazacycloalkanes, exhibit excellent stability to UV light.A novel synthesis for preparing polysubstituted 2-keto-1,5-diazacycloalkanes is disclosed.Type: GrantFiled: September 21, 1977Date of Patent: June 10, 1980Assignee: The B. F. Goodrich CompanyInventors: John T. Lai, Pyong N. Son
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Patent number: 4204970Abstract: Lubricant compositions containing polymer alkylated aromatic amino acids as antioxidants and a process for the preparation of these amino acids comprising hydrolysis of cyclic keto amides formed from an intramolecular acylation of an imide of an aromatic amine.Type: GrantFiled: December 7, 1978Date of Patent: May 27, 1980Assignee: Standard Oil Company (Indiana)Inventors: Richard J. Lee, Samuel W. Harris
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Patent number: 4202782Abstract: Condensation product is prepared by condensing diphenylamine and 2-octanone in the presence of acid catalyst. The product is formulated with p,p'-dioctyldiphenylamine antioxidant and incorporated in lubricants for inhibition of degradation due to oxidation and corrosion.Type: GrantFiled: June 12, 1978Date of Patent: May 13, 1980Assignee: R. T. Vanderbilt Company, Inc.Inventors: Lester A. Doe, Jr., Lester A. Brooks
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Patent number: 4202783Abstract: Benzotriazole when reacted with unsaturated esters such as acrylate ester provides products which when added to lubricating oils improve the resistance of said oils to oxidation.Type: GrantFiled: August 28, 1978Date of Patent: May 13, 1980Assignee: Mobil Oil CorporationInventor: Sheldon Chibnik
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Patent number: 4198334Abstract: Esters and amides from 4-hydroxy-and 4-amino-polyalkylpiperidines and hydroxybenzylmalonic acids substituted at the central carbon atom with an organic residue, preferably alkyl-, esteralkyl- or phosphonoalkyl-groups, are excellent stabilizers for organic polymers, especially for polyolefins. They protect the polymers as well against light degradation as against thermo-oxidative degradation. The compounds can be prepared by hydroxybenzylation of the corresponding derivatives of substituted malonic acids. Bis-malonic acid derivatives may be obtained from the monomalonics by reaction with formaldehyde.Type: GrantFiled: December 15, 1977Date of Patent: April 15, 1980Assignee: Ciba-Geigy CorporationInventor: Michael Rasberger
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Patent number: 4191683Abstract: Derivatives of sterically hindered 4-aminopiperidines are effective as light-stabilizers for organic polymers, especially for polyolefins. The piperidine ring is substituted with at least five alkyl groups, preferably methyl and ethyl groups. The 4-amino group is substituted with mono- or divalent acyl groups. The nitrogen in 1-position may also be substituted with a monovalent organic substituent. The compounds can be synthesized starting from higher homologs of acetone in sequence of several reaction steps.Type: GrantFiled: November 21, 1977Date of Patent: March 4, 1980Assignees: Ciba-Geigy Corporation, Sankyo Company LimitedInventors: Heimo Brunetti, Jean Rody, Nobuo Soma, Tomoyuki Kurumada
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Patent number: 4187213Abstract: The invention relates to multiheterocyclic compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the multiheterocyclic composition 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 also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.Type: GrantFiled: January 9, 1978Date of Patent: February 5, 1980Assignee: Eastman Kodak CompanyInventors: Gether Irick, Jr., James C. Ownby, Richard H. S. Wang
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Patent number: 4187322Abstract: Stable, dry, free-flowing powder compositions containing ascorbic acid or salts thereof, methods for their preparation and feedstuff containing the powder compositions are disclosed.Type: GrantFiled: November 8, 1976Date of Patent: February 5, 1980Assignee: Hoffmann-La Roche Inc.Inventors: Rene Josse, Heinrich Klaui
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Patent number: 4185004Abstract: A multi-component ultraviolet stabilizer system for pigmented polyolefins comprising a tris-(4-hydroxybenzyl) isocyanurate, a substituted pentaerythritol phosphite, and a trihydrocarbyl thiophosphite. In an alternate embodiment the stabilizer system also comprises a thiomethylenephenol.Type: GrantFiled: April 27, 1977Date of Patent: January 22, 1980Assignee: Phillips Petroleum CompanyInventor: Ronald D. Mathis
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Patent number: 4182703Abstract: The invention relates to biheterocyclic compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the biheterocyclic composition 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 also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.Type: GrantFiled: January 9, 1978Date of Patent: January 8, 1980Assignee: Eastman Kodak CompanyInventors: Gether Irick, Jr., James C. Ownby, Richard H. S. Wang
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Patent number: 4174285Abstract: Lubricant compositions containing oleaginous materials and, in amounts sufficient to impart antioxidation properties thereto, additives selected from the group consisting of ethers and esters of 1-hydroxybenzotriazole.Type: GrantFiled: September 5, 1978Date of Patent: November 13, 1979Assignee: Mobil Oil CorporationInventor: Milton Braid
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Patent number: 4170560Abstract: A lubricating oil additive composition which imparts improved oxidation properties to crankcase lubricants comprises an antioxidant selected from aromatic or alkyl sulfides and polysulfides, sulfurized olefins, sulfurized carboxylic acid esters and sulfurized ester-olefins, and a hydroxy amine of the formula: ##STR1## WHEREIN A and A' are C.sub.2 -C.sub.10 alkylene, R is C.sub.1 -C.sub.30 alkyl, Y is H, C.sub.1 -C.sub.6 alkyl of --A--OH, y is 0, 1 or 2, and x is 1 or 2.Lubricating oil compositions containing this additive composition are also disclosed.Type: GrantFiled: March 27, 1978Date of Patent: October 9, 1979Assignee: Chevron Research CompanyInventor: Warren Lowe
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Patent number: 4166803Abstract: The invention relates to heterocyclic benzoate compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of a heterocyclic benzoate composition 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: January 9, 1978Date of Patent: September 4, 1979Assignee: Eastman Kodak CompanyInventors: Gether Irick, Jr., James C. Ownby, Richard H. S. Wang
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Patent number: 4164480Abstract: The invention relates to polychromophoric compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the polychromophoric composition 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 also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, or coated on the exterior of the molded article, film or extruded fiber.Type: GrantFiled: January 9, 1978Date of Patent: August 14, 1979Assignee: Eastman Kodak CompanyInventors: Gether Irick, Jr., James C. Ownby, Richard H. S. Wang
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Patent number: 4162155Abstract: Agriculturally-active aqueous compositions containing an agriculturally-active organic substance and water are stabilized by the addition to the system of a minor amount of N-acetyl-p-aminophenol. The N-acetyl-p-aminophenol is relatively non-toxic and is degradable, thereby making it particularly attractive for agricultural use in view of its high degree of effectiveness as a stabilizer. Advantageous agriculturally-active organic substances are the compounds having carbon to carbon unsaturation, particularly those having aliphatic unsaturation.Type: GrantFiled: February 25, 1977Date of Patent: July 24, 1979Assignee: Howard Hall & CompanyInventor: David W. Young
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Patent number: 4160741Abstract: Oxirane compounds having a molecular weight greater than 60 have been found to be effective stabilizers for benzothiazole rubber accelerators.Type: GrantFiled: July 11, 1977Date of Patent: July 10, 1979Assignee: American Cyanamid CompanyInventor: Curtis A. Franz
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Patent number: 4153565Abstract: Lubricant compositions containing oleaginous materials and, in amounts sufficient to impart oxidation protection, corrosion resistance and antiwear properties thereto, an adduct of a benzotriazole compound and alkyl vinyl ether or a vinyl ester of a carboxylic acid.Type: GrantFiled: June 15, 1978Date of Patent: May 8, 1979Assignee: Mobil Oil CorporationInventors: Milton Braid, Phillip S. Landis
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Patent number: 4141848Abstract: This specification discloses new compositions of matter, esters of arylaminoaryloxyalkanols, that are useful as antioxidants and organic compositions containing the antioxidants.Type: GrantFiled: October 26, 1977Date of Patent: February 27, 1979Assignee: Mobil Oil CorporationInventor: Milton Braid
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Patent number: 4137185Abstract: Oil-soluble, derivatized ethylene copolymers derived from about 2 to 98 wt. % ethylene, and one or more C.sub.3 to C.sub.28 alpha-olefins, e.g. propylene, which are grafted, preferably solution-grafted under an inert atmosphere and at elevated temperatures and in the presence of a high-temperature decomposable free-radical initiator, with an ethylenically-unsaturated dicarboxylic acid material and thereafter reacted with a polyamine having at least two primary amine groups, e.g. an alkylene polyamine such as diethylene triamine, to form carboxyl-grafted polymeric imide, usually maleimide, derivatives are reacted with an anhydride of a C.sub.1 -C.sub.30 hydrocarbyl substituted acid, preferably acetic anhydride, to yield an oil-soluble stable amide of said polyamine whereby oil solutions of said amide derivative are characterized by minimal viscosity change over an extended period of time. Useful number average molecular weight (M.sub.Type: GrantFiled: July 28, 1977Date of Patent: January 30, 1979Assignee: Exxon Research & Engineering Co.Inventors: John B. Gardiner, James Zielinski, Robert L. Elliott, Stanley J. Brois
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Patent number: 4136044Abstract: This specification discloses a lubricant composition containing esters of arylaminophenoxyalkyl carboxylic acids as an antioxidant and new compositions of matter useful as antioxidants.Type: GrantFiled: October 12, 1977Date of Patent: January 23, 1979Assignee: Mobil Oil CorporationInventor: Milton Braid
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Patent number: 4136040Abstract: An improved lubricating oil composition comprising a major amount by weight of oil of lubricating viscosity; a minor amount by weight of solid particles effective to improve the lubricating properties of the composition; and a minor amount of a nitrogen containing mixed ester of a carboxy containing interpolymer. This composition provides improved inhibition of sludge and varnish formation in use.Type: GrantFiled: April 3, 1978Date of Patent: January 23, 1979Assignee: Atlantic Richfield CompanyInventors: Donald L. DeVries, James M. DeJovine
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Patent number: 4134844Abstract: An improved lubricating oil composition comprising a major amount by weight of oil of lubricating viscosity; a minor amount by weight of solid particles effective to improve the lubricating properties of the composition; and a minor amount of an oxidized olefin polymer which has been reacted with an aliphatic amine or polyamine. Preferably, this reaction occurs in the presence of a formaldehyde-yielding reactant. This composition provides improved inhibition of sludge and varnish formation in use.Type: GrantFiled: April 3, 1978Date of Patent: January 16, 1979Assignee: Atlantic Richfield CompanyInventors: Donald L. DeVries, James M. DeJovine
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Patent number: 4132702Abstract: Compounds of the formula I ##STR1## in which R.sub.1 and R.sub.2 independently of one another denote alkyl, cycloalkyl or aralkyl, R.sub.3 denotes hydrogen or, conjointly with R.sub.1, denotes tetramethylene, R.sub.4 denotes hydrogen or lower alkyl or, conjointly with R.sub.2, denotes tetramethylene, R.sub.5 denotes hydrogen, alkyl, aralkyl, acyloxyalkyl, oxaalkyl or phenyl, R.sub.6 denotes hydrogen, alkhyl, phenyl or the group or, conjointly with R.sub.5, denotes alkylene, R.sub.7 denotes hydrogen, alkyl, phenyl, benzyl or alkylphenyl or, conjointly with R.sub.5 or R.sub.6, denotes alkylene or, conjointly with R.sub.5 and R.sub.6, denotes alkanetriyl, R.sub.5, R.sub.6 and R.sub.7 together containing at least one carbon atom, Y denotes --O-- or --NH--, P denotes 1, 2, 3 or 4 and A denotes hydrogen or a group which is derived from an organic or inorganic oxygen acid A-(OH).sub.p, are suitable for stabilizing organic material against thermo-oxidative degradation.Type: GrantFiled: July 27, 1976Date of Patent: January 2, 1979Assignee: Ciba-Geigy CorporationInventors: Andreas Schmidt, Kurt Schwarzenbach
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Patent number: 4132656Abstract: An improved lubricating oil composition comprising a major amount by weight of oil of lubricating viscosity; a minor amount by weight of solid particles effective to improve the lubricating properties of the composition; and a minor amount by weight of at least one of certain specific polymers has been found to provide improved inhibition of sludge and varnish formation in use. The polymers useful in the present composition comprise(1) an olefin polymer, for example, an ethylene, propylene and 1,4-hexadiene terepolymer, with an dialkylaminoalkyl methacrylate grafted thereon;(2) an interpolymer prepared from a long chain n alkyl-methacrylate and a dialkylaminoalkylmethacrylate or a N (alkanone) acrylamide; or(3) mixtures thereof.Type: GrantFiled: April 3, 1978Date of Patent: January 2, 1979Assignee: Atlantic Richfield CompanyInventors: Donald L. DeVries, James M. DeJovine
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Patent number: 4129521Abstract: This invention relates to a stabilization composition, particularly adapted to prevent deterioration resulting from exposure to heat and light in polymeric materials, paints and dyes consisting essentially of a normally liquid, branched chain nonyl, or dodecyl isomeric mixture of 2-(5'-nonyl, or -dodecyl-2'-hydroxy-phenyl) benzotriazole; to the method of preparing said stabilization composition and to the stabilized products having between about 0.05 and about 15 weight percent of said stabilization composition incorporated therein.Type: GrantFiled: September 28, 1976Date of Patent: December 12, 1978Assignee: GAF CorporationInventor: Albert F. Strobel
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Patent number: 4127501Abstract: The invention relates to polychromophoric compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the polychromophoric composition 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 also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.Type: GrantFiled: August 9, 1976Date of Patent: November 28, 1978Assignee: Eastman Kodak CompanyInventors: Richard H. S. Wang, Joseph S. Zannucci
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Patent number: 4125515Abstract: Ester such as 3,6,9-trioxyundecane-1,11-bis (3-n-dodecylthiopropionate) when combined with conventional free amine antioxidants such as N,N'-diphenylparaphenylenediamine or with polymer bound antioxidants such as N-(4-anilinophenyl) methacrylamide produce improved antioxidant systems for SBR and NBR type polymers.Type: GrantFiled: March 19, 1976Date of Patent: November 14, 1978Assignee: The Goodyear Tire & Rubber CompanyInventor: Joseph A. Kuczkowski
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Patent number: 4124564Abstract: Stabilizer compositions are provided whose ingredients interact synergistically to improve the resistance to deterioration on light exposure and heating of synthetic resin compositions. The interacting ingredients are (a) a carboxylic acid ester of a 2,2,6,6-tetramethylpiperidine-4-alcohol having 15 to 75 carbon atoms and 1 to 4 ester groups, and (b) at least one carbonate ester of an ortho-substituted polyhydric phenol having in the molecule one to three benzenoid rings, two to three phenolic hydroxyl groups, and in each benzenoid ring one to two alkyl, cycloalkyl, or aralkyl groups of which at least one is positioned ortho to a phenolic hydroxyl group.Synthetic resin compositions are provided that are stabilized with thestabilizer compositions disclosed, including olefin polymers, polyamides, acrylic polymers, and vinyl halide polymers.Type: GrantFiled: February 18, 1977Date of Patent: November 7, 1978Assignee: Argus Chemical CorporationInventors: Motonobu Minagawa, Naohiro Kubota, Toshihiro Shibata
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Patent number: 4122034Abstract: Disclosed herein are 2-aminoalkyl-3-aryl-hetero-indenes useful as antimicrobial agents.Type: GrantFiled: September 13, 1976Date of Patent: October 24, 1978Assignee: Schering CorporationInventor: Martin Steinman
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Patent number: 4122270Abstract: A novel antioxidant composition and a method for making the same is disclosed. Said composition comprising, ##STR1## wherein R.sub.1 and R.sub.2 independently are selected from the group consisting of tertiary butyl, isopropyl, cyclohexyl, and phenyl, and R.sub.3 is a substituted triazine of the formula, ##STR2## wherein R.sub.4 and R.sub.5 independently are selected from the group consisting of organic radicals having at least one non-aromatic carbon atom, which non-aromatic carbon atom is attached to an oxygen atom connecting said radical with the triazine group.Type: GrantFiled: October 4, 1976Date of Patent: October 24, 1978Assignee: Akzona IncorporatedInventors: Cornelis Reinier Heinrich De Jonge, Egenius Arnoldus Giezen
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Patent number: 4120863Abstract: Benzoxazoles substituted in the 2-position with a perfluoroalkylether radical and bis-benzoxazoles in which the 2-position carbon atoms of the benzoxazole rings are attached to one another with a perfluoroalkylene or perfluoroalkyleneether radical. The compounds are useful as anti-rust additives in grease formulations based on fluorine-containing fluids.Type: GrantFiled: September 27, 1977Date of Patent: October 17, 1978Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Christ Tamborski, John B. Christian