Patents by Inventor William P. Cullen
William P. Cullen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4420407Abstract: A cylinder lubricating oil composition characterized by having a Total Base Number from about 50 to 100 comprising a mineral lubricating oil, from 10 to 20 percent of an overbased calcium sulfonate and an N-hydroxyethyl alkenylsuccinimide represented by the formula: ##STR1## in which R is a straight chain hydrocarbon radical having form about 8 to 22 carbon atoms.Type: GrantFiled: October 22, 1981Date of Patent: December 13, 1983Assignee: Texaco Inc.Inventors: Rodney L. Sung, Benjamin H. Zoleski, William P. Cullen, Mahmoud S. Kablaoui
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Patent number: 4386001Abstract: A crankcase lubricating oil composition for slow speed marine diesel engines characterized by having a Total Base Number from about 3 to 10 containing a mineral lubricating oil, an overbased calcium alkylphenolate, a zinc dihydrocarbyl dithiophosphate, an ethoxylated alkylphenol, and a friction reducing amount of at least one acyl glycine oxazoline derivative.Type: GrantFiled: October 27, 1981Date of Patent: May 31, 1983Assignee: Texaco Inc.Inventors: Benjamin H. Zoleski, Rodney L. Sung, William P. Cullen
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Patent number: 4375417Abstract: A cylinder lubricating oil composition characterized by having a Total Base Number from about 50 to 100 comprising a mineral lubricating oil, from 10 to 20 percent of an overbased calcium sulfonate and at least one acyl glycine oxazoline derivative having the formula: ##STR1## where R is lauryl, C.sub.11 H.sub.23, oleyl or stearyl; and R' is hydrogen or lower alkyl.Type: GrantFiled: October 27, 1981Date of Patent: March 1, 1983Assignee: Texaco Inc.Inventors: Benjamin H. Zoleski, Rodney L. Sung, William P. Cullen
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Patent number: 4375418Abstract: A lubricating oil composition designed for use in medium and high speed marine diesel engine crankcases which has a Total Base Number from about 5 to 40 and contains a mineral lubricating oil, an overbased calcium sulfonate, an overbased sulfurized calcium phenate, a zinc dihydrocarbyl dithiophosphate, an alkenylsuccinimide, and a friction reducing amount of at least one acyl glycine oxazoline derivative.Type: GrantFiled: October 28, 1981Date of Patent: March 1, 1983Assignee: Texaco Inc.Inventors: Benjamin H. Zoleski, Rodney L. Sung, William P. Cullen
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Patent number: 4358385Abstract: A lubricating oil composition characterized by having a Total Base Number from about 5 to 40 comprising a mineral lubricating oil, an overbased calcium sulfonate, a zinc dihydrocarbyl dithiophosphate, an ethoxylated alkylphenol, an alkenylsuccinimide, a polymethacrylate, an ethylene-propylene copolymer, an alkylated diphenylamine and an N-alkylglycine derivative having the formula: ##STR1## in which R is a hydrocarbyl radical having from about 10 to 25 carbon atoms, R' represents hydrogen or an alkyl, hydroxyalkyl or an aminoalkyl radical having from 1 to 5 carbon atoms and R" represents an alkyl or hydroxyalkyl radical having from 1 to 5 carbon atoms or a --CH.sub.2 --CH.sub.2 --NH).sub.x H radical in which x has a value from 1 to 3, or ##STR2## in which X represents an oxygen atom or a divalent N--R' radical and R and R' have the values noted above.Type: GrantFiled: August 10, 1981Date of Patent: November 9, 1982Assignee: Texaco Inc.Inventors: Benjamin H. Zoleski, Rodney L. Sung, Stephen A. Levine, William P. Cullen
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Patent number: 4358387Abstract: A cylinder lubricating oil composition characterized by having a Total Base Number from about 50 to 100 comprising a mineral lubricating oil, from 10 to 20 percent of an overbased calcium sulfonate and an N-alkylglycine derivative having the formula: ##STR1## in which R is a hydrocarbyl radical having from about 10 to 25 carbon atoms, R' represents hydrogen or an alkyl, hydroxyalkyl or an aminoalkyl radical having from 1 to 5 carbon atoms and R" represents an alkyl or hydroxyalkyl radical having from 1 to 5 carbon atoms or a --CH.sub.2 --CH.sub.2 --NH).sub.x H radical in which x has a value from 1 to 3, or ##STR2## in which X represents an oxygen atom or a divalent N--R' radical and R and R' have the values noted above.Type: GrantFiled: August 10, 1981Date of Patent: November 9, 1982Assignee: Texaco Inc.Inventors: Benjamin H. Zoleski, Rodney L. Sung, Stephen A. Levine, William P. Cullen
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Patent number: 4358386Abstract: A marine crankcase lubricating oil composition characterized by having a Total Base Number from about 3 to 10 comprising a mineral lubricating oil, an overbased calcium alkylphenolate, a zinc dihydrocarbyl dithiophosphate, an ethoxylated alkylphenol, and an N-alkylglycine derivative having the formula: ##STR1## in which R is a hydrocarbyl radical having from about 10 to 25 carbon atoms, R' represents hydrogen or an alkyl, hydroxyalkyl or an aminoalkyl radical having from 1 to 5 carbon atoms and R" represents an alkyl or hydroxyalkyl radical having from 1 to 5 carbon atoms or a --CH.sub.2 --CH.sub.2 --NH).sub.x H radical in which x has a value from 1 to 3, or ##STR2## in which X represents an oxygen atom or a divalent N-R' radical and R and R' have the values noted above.Type: GrantFiled: August 10, 1981Date of Patent: November 9, 1982Assignee: Texaco Inc.Inventors: Benjamin H. Zoleski, Rodney L. Sung, Stephen A. Levine, William P. Cullen
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Patent number: 4263015Abstract: A rust inhibitor comprising the reaction product of a hydrocarbylsuccinic anhydride in which the hydrocarbyl radical has from about 6 to 30 carbon atoms and an aminotriazole is provided. The rust inhibitor is effective in motor fuel and lubricating oil compositions.Type: GrantFiled: September 11, 1978Date of Patent: April 21, 1981Assignee: Texaco Inc.Inventors: Rodney L. Sung, Jerzy J. Bialy, Peter Dorn, William P. Cullen, John W. Nebzydoski
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Patent number: 4257779Abstract: A hydrocarbylsuccinic anhydride and aminotriazole reaction product having detergent properties for fuels and lubricants is provided.Type: GrantFiled: December 23, 1976Date of Patent: March 24, 1981Assignee: Texaco Inc.Inventors: Rodney L. Sung, William P. Cullen, Peter Dorn
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Patent number: 4214083Abstract: Lubricating oil additives, including the calcium salts of sulfurized alkylphenols and dispersants consisting of the reaction products of halogenated polyalkylenes and heterocyclic amines, are substantially decolorized by treatment with small amounts of alkali metal hydrides in a polar solvent at 20.degree. to 120.degree. C. Color improvement is obtained at concentrations ranging from 1 to 75 parts of an alkali metal hydride per 1000 parts of additive.Type: GrantFiled: April 17, 1978Date of Patent: July 22, 1980Assignee: Texaco Inc.Inventors: John M. Larkin, William P. Cullen, Rodney L. Sung, Benjamin H. Zoleski
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Patent number: 4078901Abstract: Motor fuel composition comprising a mixture of hydrocarbons in the gasoline boiling range containing a minor detergent amount of an aminimide represented by the formula: ##STR1## in which R' is a hydrocarbon radical having from about 10 to 24 carbon atoms and R is hydrogen or a hydrocarbon radical having from 1 to 20 carbon atoms.Type: GrantFiled: December 20, 1976Date of Patent: March 14, 1978Assignee: Texaco Inc.Inventors: Rodney L. Sung, Peter Dorn, William P. Cullen, Raymond C. Schlicht
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Patent number: 3996240Abstract: A reaction product of detergent-dispersant properties in lubricating oil prepared by the sequential method of (1). reacting polyalkene of from 30 to 300 carbons with maleic anhydride to form alkenyl succinic anhydride, (2). contacting the alkenyl succinic anhydride with chlorine or bromine in the absence of hydroxylic and solvent compounds to form halogenated alkenyl succinic anhydride, (3). contacting the halogenated alkenyl succinic anhydride with alkylene polyamine to form crude reaction product of halogenated alkenyl succinic anhydride and alkylene polyamine and (4). preferably contacting the crude reaction product with a strong inorganic base and recovering the purified reaction product. Lubricant compositions containing a detergent-dispersant quantity of said halogenated succinic anhydride-alkylene polyamine reaction product.Type: GrantFiled: September 9, 1974Date of Patent: December 7, 1976Assignee: Texaco Inc.Inventors: William P. Cullen, Harry Chafetz
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Patent number: 3966622Abstract: In the method of preparing sulfurized, alkoxylated, inorganic phosphorus acid free, steam hydrolyzed polyalkene-P.sub.2 S.sub.5 reaction product useful as a detergent-dispersant in lubricating oil compositions of improved antioxidant and odor properties comprising contacting polyalkene and P.sub.2 S.sub.5 in the presence of a catalytic amount of sulfur to form the polyalkene-P.sub.2 S.sub.5 reaction product, contacting the resultant polyalkene-P.sub.2 S.sub.5 reaction product with steam to form an inorganic phosphorus acid containing hydrolyzed polyalkene-P.sub.2 S.sub.5 reaction product, removing inorganic phosphorus acid from the hydrolyzed polyalkene-P.sub.2 S.sub.5 reaction product, contacting the inorganic acid free, hydrolyzed polyalkene-P.sub.2 S.sub.5 reaction product with alkylene oxide, the improvement which comprises the step selected from the group consisting of 1). contacting said inorganic acid free, steam hydrolyzed polyalkene-P.sub.2 S.sub.5 intermediate product with added sulfur, and 2).Type: GrantFiled: September 9, 1974Date of Patent: June 29, 1976Assignee: Texaco Inc.Inventors: Walter W. Hellmuth, Harry Chafetz, William P. Cullen
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Patent number: 3960889Abstract: The reaction product of a dehydrohalogenated polyalkene and a maleic anhydride prepared by the method comprising halogenating polyalkene, dehydrohalogenating the resultant halogenated polyalkene and reacting the formed dehydrohalogenated polyalkene with maleic anhydride; the derivative of said reaction product and alkylene polyamine having detergent-dispersant properties in oil and hydrocarbon lubricating oil compositions containing said derivative.Type: GrantFiled: September 9, 1974Date of Patent: June 1, 1976Assignee: Texaco Inc.Inventors: William P. Cullen, Harry Chafetz, Miller, Edward F.