Patents Assigned to Edwin Cooper, Inc.
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Patent number: 4563302Abstract: A sulfurized olefin of improved solubility in lubricating oil is made by reacting sulfur monochloride with a monoolefin (e.g. isobutylene) to form an adduct which is reacted with sodium sulfide, sodium hydrosulfide, sulfur and alkyl mercaptan (e.g. tert-butyl mercaptan) in an aqueous alcohol reaction medium.Type: GrantFiled: December 1, 1983Date of Patent: January 7, 1986Assignee: Edwin Cooper, Inc.Inventors: Paul G. Griffin, William Y. Lam
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Patent number: 4519929Abstract: Lubricating oil dispersancy is improved by adding to the oil a product made by grafting an N-allyl amide (e.g. N,N-diallyl formamide) to an olefin polymer having a molecular weight of about 500-500,000 (e.g. ethylene/propylene/diene copolymer).Type: GrantFiled: February 19, 1982Date of Patent: May 28, 1985Assignee: Edwin Cooper, Inc.Inventors: Joseph P. O'Brien, Andrew G. Papay
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Patent number: 4505834Abstract: Lubricating oil dispersant VI improvers are made by grafting maleic anhydride to an ethylene/.alpha.-olefin-non-conjugated diene terpolymer in a hydrogen-treated mineral oil solvent using a free radical and then reacting the grafted intermediate with an amine containing only one primary amine group, 1-6 amino nitrogen atoms and 20-36 carbon atoms.Type: GrantFiled: October 27, 1980Date of Patent: March 19, 1985Assignee: Edwin Cooper, Inc.Inventors: Andrew G. Papay, Joseph P. O'Brien
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Patent number: 4487706Abstract: A metal deactivator especially useful in lubricating oil is made by reacting 2,5-dimercapto-1,3,4-thiadiazole, an olefin and sulfur dichloride in the mole ratio of about 1:0.9-2.5 0.9-2.5.Type: GrantFiled: February 15, 1983Date of Patent: December 11, 1984Assignee: Edwin Cooper, Inc.Inventor: William Y. Lam
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Patent number: 4486324Abstract: An aqueous hydraulic fluid comprising at least 80 percent water and containing a hydrocarbyl-substituted succinic acid, a zinc dihydrocarbyl dithiophosphate, a hydroxyalkylamine, sodium alkylbenzene sulfonate, and optionally, a polyalkylene glycol mono-fatty acid ester.Type: GrantFiled: November 6, 1981Date of Patent: December 4, 1984Assignee: Edwin Cooper, Inc.Inventor: Philip S. Korosec
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Patent number: 4448974Abstract: A lubricating oil dispersant made by reacting an aldehyde (e.g. isobutyraldehyde) with an amine (e.g. tetraethylenepentamine) under conditions to form a Schiff base which is then reacted with a hydrocarbon-substituted succinic acid, anhydride or lower alkyl ester.Type: GrantFiled: March 24, 1982Date of Patent: May 15, 1984Assignee: Edwin Cooper, Inc.Inventors: Joseph P. O'Brien, Andrew G. Papay
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Patent number: 4426305Abstract: Lubricating oil dispersancy is synergistically improved by use of a combination of (a) a boronated hydrocarbon-substituted succinic amide/imide/ester of an oxyalkylated amine and (b) a Mannich condensation product of a hydrocarbon-substituted phenol, formaldehyde, and amine, and optionally, a fatty acid and or a boronating agent.Type: GrantFiled: June 1, 1983Date of Patent: January 17, 1984Assignee: Edwin Cooper, Inc.Inventor: Robert E. Malec
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Patent number: 4374033Abstract: Lubricating oil properties are improved by the addition of the reaction product of an aliphatic hydrocarbon substituted succinic anhydride, an amino pyrrolidone and a boronating agent.Type: GrantFiled: June 18, 1981Date of Patent: February 15, 1983Assignee: Edwin Cooper, Inc.Inventor: Robert E. Malec
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Patent number: 4356097Abstract: Engine crankcase lubricating oil containing a dihydrocarbyl hydrocarbylphosphonate (e.g. diethyl octadecylphosphonate) exhibits reduced friction which results in an increase in gasoline mileage thus conserving energy.Type: GrantFiled: February 12, 1979Date of Patent: October 26, 1982Assignee: Edwin Cooper, Inc.Inventor: Andrew G. Papay
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Patent number: 4331545Abstract: Friction of internal combustion engines is reduced by adding to the lubricating oil or fuel used in such engine a minor amount of a friction-reducing additive. The additive is the reaction product of a N-alkanol hydrocarbylamide such as N-ethanol oleamide with a boron compound such as boric acid.Type: GrantFiled: September 29, 1980Date of Patent: May 25, 1982Assignee: Edwin Cooper, Inc.Inventors: Andrew G. Papay, Joseph P. O'Brien
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Patent number: 4325827Abstract: Engine fuel economy is improved by adding a friction-reducing amount of a N-hydroxymethyl aliphatic hydrocarbyl succinimide to the engine crankcase oil or fuel.Type: GrantFiled: January 26, 1981Date of Patent: April 20, 1982Assignee: Edwin Cooper, Inc.Inventors: Andrew G. Papay, Joseph P. O'Brien
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Patent number: 4246125Abstract: Friction of internal combustion engines is reduced by adding a minor amount of a friction-reducing additive to the lubricating oil or fuel used in such engines. The additive is an aliphatic hydrocarbyl sulfinyl or sulfonyl methane. Performance is enhanced by including a di-lower alkyl C.sub.12-36 aliphatic hydrocarbyl phosphonate.Type: GrantFiled: May 4, 1979Date of Patent: January 20, 1981Assignee: Edwin Cooper, Inc.Inventors: Andrew G. Papay, Joseph P. O'Brien
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Patent number: 4237020Abstract: Engine fuel economy is improved by including in the crankcase oil a friction-reducing amount of an N-aliphatic hydrocarbyl hydroxyalkylsulfinylsuccinimide or N-aliphatic hydrocarbyl hydroxyalkylsulfonylsuccinimide. The additives can also be added to the engine fuel.Type: GrantFiled: August 20, 1979Date of Patent: December 2, 1980Assignee: Edwin Cooper, Inc.Inventors: Andrew G. Papay, Joseph P. O'Brien
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Patent number: 4228020Abstract: Friction of internal combustion engines is reduced by using a crankcase motor oil containing the combination of graphite and a di-lower alkyl hydrocarbyl phosphonate, e.g. dimethyloctadecylphosphonate.Type: GrantFiled: May 4, 1979Date of Patent: October 14, 1980Assignee: Edwin Cooper, Inc.Inventor: Andrew G. Papay
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Patent number: 4225449Abstract: Engine friction of internal combustion engines is reduced by adding to the lubricating oil or fuel used in such engine a small friction-reducing amount of an aliphatic hydrocarbylsulfonylalkanol or aliphatic hydrocarbylsulfinylalkanol resulting in improved fuel economy.Type: GrantFiled: April 19, 1979Date of Patent: September 30, 1980Assignee: Edwin Cooper, Inc.Inventors: Andrew G. Papay, Joseph P. O'Brien
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Patent number: 4204969Abstract: An additive for improving extreme pressure properties of lubricating oil is made by reacting sulfur monochloride with a monoolefin (e.g. isobutene) in the presence of a promoter amount of a lower alkanol (e.g. methanol) to form an adduct, reacting the adduct with sulfur and sodium sulfide in an aqueous alkanol made at a ratio of 0.1-0.4 gram atom of sulfur per gram mole of sodium sulfide and then recovering the reaction product.Type: GrantFiled: October 10, 1978Date of Patent: May 27, 1980Assignee: Edwin Cooper, Inc.Inventors: Andrew G. Papay, Joseph P. O'Brien
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Patent number: 4178258Abstract: Lubricating oil adapted for use in spark ignited and diesel engines containing an antiwear amount of a molybdenum bis(dialkyldithiocarbamate).Type: GrantFiled: May 18, 1978Date of Patent: December 11, 1979Assignee: Edwin Cooper, Inc.Inventors: Andrew G. Papay, Edward F. Zaweski
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Patent number: 4158633Abstract: Engine crankcase lubricating oil containing a dihydrocarbyl hydrocarbylphosphonate (e.g. dimethyl octadecylphosphonate) exhibits reduced friction which results in an increase in gasoline mileage thus conserving energy.Type: GrantFiled: March 30, 1978Date of Patent: June 19, 1979Assignee: Edwin Cooper, Inc.Inventor: Andrew G. Papay
