Class 508/231 - The heterocyclic compound reactant contains a five-membered hetero ring with at least three ring hetero atoms (e.g., thiadiazole, benzotriazole, etc.)

Subclass of Class 508 - Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions
Definition: Compositions wherein a five-membered hetero ring with at
No. of patents: 57
Last issue date: 01/10/2012

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Number	Title	Issue Date
8093189	Lubricating oil compositions for inhibiting coolant-induced oil filter plugging Lubricating oil compositions are provided that inhibit coolant-induced oil filter plugging in heavy-duty diesel engines, and particularly CJ-4 and CI-4 PLUS compliant lubricating oil compositions that inhibit coolant-induced oil filter plugging in exhaust gas recirc...	01/10/2012
7820600	Lubricant and method for improving air release using ashless detergents The present invention is directed to a lubricant composition comprising GLT base stock with an ashless detergent to improve air release properties. The ashless detergents comprise the products resulting from the reaction of a salicylic acid, organic group substitute...	10/26/2010
7371713	Preparation of monomers for grafting to polyolefins, and lubricating oil compositions containing grafted copolymer A graft copolymer containing one or more ethylenically-unsaturated, aliphatic or aromatic, nitrogen- and oxygen-containing graftable monomers grafted to a polyolefin is disclosed. Novel monomers, methods of making such monomers, and graft copolymers comprising such ...	05/13/2008
7361629	Additives for lubricants and fuels A multi-functional composition for use as an additive for fuels and lubricants. The composition includes an amination product of a hydrocarbyl substituted succinic acylating agent and a mixture containing an aliphatic polyamine and an aromatic polyamine. The molar r...	04/22/2008
7253231	Grafted multi-functional olefin copolymer VI modifiers and uses thereof A novel highly grafted, multi-functional olefin copolymer is provided comprising an additive reaction product of a method comprising reacting acylating agent with an olefin copolymer having a number average molecular weight greater than about 1,000 in the presence o...	08/07/2007
7060787	Extraction of impurities from grafted polyolefins A process for purifying grafted polyolefins by extraction is disclosed. The purified grafted polyolefins have improved color and adhesion properties. The extraction is performed with an azeotropic solvent that is strong enough to extract impurities but does not caus...	06/13/2006
7041825	Additive compound for curing halogenated polymers The present invention relates to 1,3,4-thiadiazole reaction products useful as accelerators and/or curing agents for halogenated polymers in rubber vulcanization processes, and to halogenated polymer compositions containing the thiadiazole derivatives, as well as a ...	05/09/2006
7022639	Catalytic activity accelerant used in petroleum hydrogenation The present invention provides a catalytic activity accelerant. The accelerant is added to stock oil for increasing the catalyst activity, the depth of catalytic hydrogenation and the yield of catalytic hydrogenation product, degrading the reaction conditions of cat...	04/04/2006
6916767	Antioxidant amines based on n-(4aniliophenyl) amides antioxidant amines based on n-(4-anilinophenyl) amides A composition of matter is disclosed wherein the composition comprises an N-aromatic substituted acid amide compound selected from the group consisting of compounds of formula (I) wherein A and B are independently selected alkylene groups; R1 is selected ...	07/12/2005
6828286	Lubricant compositions Lubricant compositions comprises a lubricant base oil and one or more compounds resulting the modification of a succinimide represented by formula (1) or (2) wherein R1 and R2 may be the same or d...	12/07/2004
6548458	Succinimide-acid compounds and derivatives thereof Succinimide-acid compounds prepared by reaction of hydrocarbyl-substituted succinic acylating agents with alpha-omega amino acids are disclosed, as well as derivatives thereof useful as lubricity additives, lubricant dispersants, friction modifiers, liqui...	04/15/2003
6492306	Nitrogen containing dispersant-viscosity improvers A composition comprising a hydrocarbon polymer having attached thereto pendant groups Aa and Bb wherein each A is independently selected from members of the group consisting of: groups of the formula ##STR1## and each B is independen...	12/10/2002
6489484	Thiadiazole additives and lubricating compositions containing the same Thiadiazole-poly(ether)glycol reaction products and adducts useful as extreme pressure additives. Lubricating compositions (e.g., greases) containing the reaction products and adducts exhibit improved Timken Load properties....	12/03/2002
6486101	Nitrogen containing dispersant-viscosity improvers A composition comprising a hydrocarbon polymer having Mn ranging from 20,000 to about 500,000, when the polymer is not a star polymer, and up to about GPC peak molecular weight of 4,000,000 when the polymer is a star polymer having attached the...	11/26/2002
6365557	Thiadiazole additives and lubricating compositions containing the same 2,5-dimercapto-1,3,4-thiadiazole dimer-poly(ether)glycol reaction products and adducts useful as extreme pressure additives. Lubricating compositions (e.g., greases) containing reaction products and adducts exhibit improved Timken Load properties....	04/02/2002
6288013	Nitrogen containing dispersant-viscosity improvers A composition comprising a hydrocarbon polymer having Mn ranging from 20,000 to about 500,000, when the polymer is not a star polymer, and up to about GPC peak molecular weight of 4,000,000 when the polymer is a star polymer having attached the...	09/11/2001
6265358	Nitrogen containing dispersant-viscosity improvers A composition comprising a hydrocarbon polymer having Mn ranging from 20,000 to about 500,000, when the polymer is not a star polymer, and up to about GPC peak molecular weight of 4,000,000 when the polymer is a star polymer having attached the...	07/24/2001
6180575	High performance lubricating oils Lubricating oils useful as gear oils, circulating oils, compressor oils and in other applications characterized by and excellent balance of anti-wear and anti-rust characteristics are based on high quality base stocks including a major portion of a hydroc...	01/30/2001
6107257	Highly grafted, multi-functional olefin copolymer VI modifiers A novel additive comprising a highly grafted, multi-functional olefin copolymer comprising a graft and amine-derivatized copolymer prepared from ethylene and at least one C3 to C23 alpha-monoolefin and, optionally, a polyene, wherein...	08/22/2000
5753598	Lubricating oil compositions or concentrates therefor providing enhanced water-shedding properties The combination (mixture and/or reaction product) of an epoxy based demulsifier and a heterocyclic compound, e.g. dimercaptoth-iadiazole, has been found to exhibit synergistic activity in marine oil formulations especially Trunk Piston Oils. The combinati...	05/19/1998
5578556	Triazole-maleate adducts as metal passivators and antiwear additives Triaole-dialkyl maleate derivatives have been found to be effective metal passivators and antiwear additives for lubricants and fuels....	11/26/1996
5538652	Dimercaptothiadiazole-mercaptan coupled compounds as multifunctional additives for lubricants and fuels Combinations of dimercaptothiadiazole-mercaptan coupled derivatives with amines have been found to be effective load-carrying additives for lubricants and fuels....	07/23/1996
5534171	Process for making a polymeric lubricant additive designed to enhance anti-wear, anti-oxidancy, and dispersancy thereof A polymeric lubricant additive that behaves as a viscosity index improver and imparts enhanced anti-oxidancy, dispersancy, and anti-wear properties to said lubricant oil has been prepared. The polymeric substrate is a random co- or terpolymer of ethylene ...	07/09/1996
5512190	Lubricating oil composition providing anti-wear protection The present invention provides a lubricating oil additive which provides anti-wear properties to a lubricating oil. The additive is the reaction product of 2,5-dimercapto-1,3,4-thiadiazole and a mixture of unsaturated mono-, di-, and tri-glycerides. The p...	04/30/1996
5472627	Polymeric lubricant additive designed to enhance anti-wear, anti-oxidancy, and dispersancy thereof A polymeric lubricant additive that behaves as a viscosity index improver and imparts enhanced anti-oxidancy, dispersancy, and anti-wear properties to said lubricant oil has been prepared. The polymeric substrate is a random co- or terpolymer of ethylene ...	12/05/1995
5427703	Process for the preparation of polar lubricating base oils Process for the preparation of a polar lubricating base oil, including reacting a hydrocarbonaceous product with a polar compound, including at least one heteroatom and which hydrocarbonaceous product has been prepared by contacting hydrocarbons and/or de...	06/27/1995
5348674	Amide/ester heterocyclic derivatives of hydrocarbylsuccinic anhydrides as rust/corrosion inhibiting additives for lubricants Reaction products of hydrocarbylsuccinic anhydrides, hydroxyl-containing amines and triazoles have been found to be effective antirust, antioxidant, anti-corrosion, antiwear, dispersant/detergent and thermal color stabilizing additives....	09/20/1994
5336420	Antioxidants for functional fluids An aromatic functional fluid, specifically a monoalkylated tetradecyl diphenyl oxide synthetic lubricant, contains a polymer-supported reaction product of an organic quaternary ammonium salt, derived from a mercapto-heterocycle and a quaternary ammonium s...	08/09/1994
5318712	Lubricants, greases, aqueous fluids and concentrates containing additives derived from dimercaptothiadiazoles This invention relates to a composition comprising (A) a major amount of an oil of lubricating viscosity and (B) a minor amount of (i) a reaction product of (a) at least one dimercaptothiadiazole, and (b) at least one alpha, beta-unsaturated ester prepare...	06/07/1994
5298177	Functional fluid with triglycerides, detergent-inhibitor additives and viscosity modifying additives A functional fluid is disclosed which comprises (A) at least one triglyceride; (B) at least one detergent-inhibitor additive; and (C) at least one viscosity modifying additive and further comprising (D) at least one synthetic oil....	03/29/1994
5200102	Multifunctional olefin copolymer and lubricating oil composition An additive composition comprising a graft and derivatized copolymer prepared from ethylene and at least one C3 -C10 alpha-monoolefin and, optionally, a polyene selected from non-conjugated dienes and trienes comprising from about 15...	04/06/1993
5182041	Dispersant - anti-oxidant additive and lubricating oil composition containing same An additive composition comprising a graft and amine-derivatized polymer having an average molecular weight ranging from about 300 to 3500 which has been reacted with at least one olefinic carboxylic acid acylating agent to form one or more acylating reac...	01/26/1993
5171861	Thiadiazole-aryl sulfonate reaction products as multifunctional additives and compositions containing same Dimercaptothiadiazole reacted with arylsulfonic acids preformed or formed in situ in lubricants provide multifunctional antioxidant, antiwear, and corrosion inhibiting properties thereto....	12/15/1992
5013468	Dispersant/antioxidant VII lubricant additive A dispersant/antioxidant bound VII polymethacrylate lubricant additive composition prepared by: (a) reacting a methacrylamide with an amino-alkyl, methacrylamide, an alkyl methacrylate and an oil solvent to provide a intermediate reaction mixture; (b) sti...	05/07/1991
5013469	VI improver, dispersant, and anti-oxidant additive and lubricating oil composition containing same An additive composition prepared by the steps comprising: (A) reacting a styrene-ethylene butylene-styrene block copolymer, having a styrene-ethylene-butylene-styrene molecular weight ratios, respectively, of 1:6:1 to 1:3:1 characterized in that unsaturation i...	05/07/1991
4891144	Polymers and lubricant additives of alkylene dithiothiadiazoles and alkylene cyanodithioimidocarbonates Oil soluble lubricant additives produced by the reaction of dimercapto thiadiazoles or cyanodithioimidocarbonate polymers with a polyalkenylenesuccinimide, an aliphatic carboxylic acid and a mercaptan are disclosed....	01/02/1990
4863623	Novel VI improver, dispersant, and anti-oxidant additive and lubricating oil composition containing same An additive composition comprising a graft and amine-derivatized copolymer prepared from ethylene and at least one C3 -C10 alpha-monoolefin and, optionally, a polyene selected from non-conjugated dienes and trienes comprising from ab...	09/05/1989
4855074	Homogeneous additive concentrates and their formation A homogeneous concentrate suitable for use as an additive for lubricating oils is formed from a long chain succinimide and a benzotriazole by heating a mixture of these materials in the presence of water or alkoxylated amines or dihydrocarbylphosphites or...	08/08/1989
4842752	Stable extreme pressure grease A stable extreme pressure grease comprising a base oil, a soap and an EP agent, in the preparation of which excess soap is provided for reaction with the EP agent whereby the thickening effect of the remaining soap in the grease is retained....	06/27/1989
4839069	Olefin polysulfide compositions their manufacture and use as additives for lubricants Compositions of olefin polysulfides having an increased solubility in mineral oils and in synthetic oils, particularly of the hydrogenated polyalphaolefin (P.A.O.) type, are disclosed. They are prepared more particularly by reacting a sulfur monochloride with ...	06/13/1989

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Class 508/231 - The heterocyclic compound reactant contains a five-membered hetero ring with at least three ring hetero atoms (e.g., thiadiazole, benzotriazole, etc.)