Patents by Inventor Richard A. Holstedt
Richard A. Holstedt 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: 4801729Abstract: A boron-containing heterocyclic compound prepared by reacting a primary amine or ammonia with an alkylene oxide or epoxide and then reacting concurrently or subsequently this reaction intermediate with a boric acid. This boron-containing heterocyclic compound may further be reacted with a metal, metalloid or other metal compound and even further contain sulfur, such as a sulfide group.Type: GrantFiled: December 30, 1987Date of Patent: January 31, 1989Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Michael C. Croudace
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Patent number: 4756842Abstract: A boron-containing heterocyclic compound prepared by reacting a primary amine or ammonia with an alkylene oxide or epoxide and then reacting concurrently or subsequently this reaction intermediate with a boric acid. This boron-containing heterocyclic compound may further be reacted with a metal, metaloid or other metal compound and even further contain sulfur, such as a sulfide group.The boron-containing heterocyclic compound provides extreme pressure anti-wear properties when provided in a lubricating composition. The lubricating composition may also comprise anti-oxidants, copper corrosion inhibitors, and lead corrosion inhibitors. The anti-wear properties of a lubricating composition can be enhanced using the borates of the present invention in conjuction with a copper compound.Type: GrantFiled: June 25, 1986Date of Patent: July 12, 1988Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Kenneth Baron, Peter J. Jessup
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Patent number: 4724099Abstract: A boron-containing heterocyclic compound prepared by reacting a primary amine or ammonia with an alkylene oxide or epoxide and then reacting concurrently or subsequently this reaction intermediate with a boric acid. This boron-containing heterocyclic compound may further be reacted with a metal, metaloid or other metal compound and even further contain sulfur, such as a sulfide group.The boron-containing heterocyclic compound provides extreme pressure anti-wear properties when provided in a lubricating composition. The lubricating composition may also comprise anti-oxidants, copper corrosion inhibitors, and lead corrosion inhibitors. The anti-wear properties of a lubricating composition can be enhanced using the borates of the present invention in conjunction with a copper compound.The boron-containing heterocyclic compound may be used in automatic transmission fluids alone, further reacted with an ester of a polyhydric alcohol or mixed with said ester.Automatic transmission fluid compositions are provided.Type: GrantFiled: July 11, 1986Date of Patent: February 9, 1988Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Michael C. Croudace
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Patent number: 4701274Abstract: A lubricating composition having extreme pressure anti-wear properties comprises a lubricating oil and a trisubstituted-borate prepared by sulfurizing the reaction product of a boron compound, a phenol compound, and either a mono-functional compound or dihydroxy functional compound free of nitrogen.Type: GrantFiled: April 26, 1985Date of Patent: October 20, 1987Assignee: Union Oil Company of CaliforniaInventors: Michael C. Croudace, Leah T. Mendelson, Richard A. Holstedt
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Patent number: 4686056Abstract: Boron and/or metal-boron derivatives having extreme pressure anti-wear and friction reducing properties and lubricating compositions containing the same are disclosed. The lubricating compositions comprise a major amount of a lubricating oil and a minor amount of an extreme pressure, anti-wear and friction reducing additive comprising a boramid or metal containing boramid compound.Type: GrantFiled: April 7, 1983Date of Patent: August 11, 1987Assignee: Union Oil Company of CaliforniaInventors: Peter Jessup, Richard A. Holstedt, Kenneth Baron
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Patent number: 4657686Abstract: A boron-containing heterocyclic compound prepared by reacting a primary amine or ammonia with an alkylene oxide or epoxide and then reacting concurrently or subsequently this reaction intermediate with a boric acid. This boron-containing heterocyclic compound may further be reacted with a metal, metaloid or other metal compound and even further contain sulfur, such as a sulfide group.The boron-containing heterocyclic compound provides extreme pressure anti-wear properties when provided in a lubricating composition. The lubricating composition may also comprise anti-oxidants, copper corrosion inhibitors, and lead corrosion inhibitors. The anti-wear properties of a lubricating composition can be enhanced using the borates of the present invention in conjunction with a copper compound.Type: GrantFiled: January 29, 1985Date of Patent: April 14, 1987Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Peter J. Jessup
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Patent number: 4629579Abstract: The present invention relates to reaction products derived from boric acid, primary amines, alkene oxides or epoxides and first row transition metals or Group IVA metals, their manufacture and use. These products are used as extreme pressure, anti-wear and friction reducing additives for lubricating oils.Type: GrantFiled: December 7, 1984Date of Patent: December 16, 1986Assignee: Union Oil Company of CaliforniaInventors: Peter J. Jessup, Richard A. Holstedt, Kenneth Baron
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Patent number: 4629580Abstract: A boron-containing heterocyclic compound prepared by reacting a primary amine or ammonia with an alkylene oxide or epoxide and then reacting concurrently or subsequently this reaction intermediate with a boric acid. This boron-containing heterocyclic compound may further be reacted with a metal, metaloid or other metal compound and even further contain sulfur, such as a sulfide group.The boron-containing heterocyclic compound provides extreme pressure anti-wear properties when provided in a lubricating composition. The lubricating composition may also comprise anti-oxidants, copper corrosion inhibitors, and lead corrosion inhibitors. The anti-wear properties of a lubricating composition can be enhanced using the borates of the present invention in conjunction with a copper compound.Type: GrantFiled: January 29, 1985Date of Patent: December 16, 1986Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Kenneth Baron, Peter J. Jessup
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Patent number: 4627930Abstract: A boron-containing heterocyclic compound prepared by reacting a primary amine or ammonia with an alkylene oxide or epoxide and then reacting concurrently or subsequently this reaction intermediate with a boric acid. This boron-containing heterocyclic compound may further be reacted with a metal, metaloid or other metal compound and even further contain sulfur, such as a sulfide group.The boron-containing heterocyclic compound provides extreme pressure anti-wear properties when provided in a lubricating composition. The lubricating composition may also comprise anit-oxidants, copper corrosion inhibitors, and lead corrosion inhibitors. The anti-wear properties of a lubricating composition can be enhanced using the borates of the present invention in conjunction with a copper compound.Type: GrantFiled: January 29, 1985Date of Patent: December 9, 1986Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Kenneth Baron, Peter J. Jessup
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Patent number: 4623474Abstract: Lubricating compositions containing an oxidation inhibitor, copper and lead corrosion inhibitors and boron and/or metal-boron derivatives having extreme pressure, anti-wear and friction reducing properties are disclosed.Type: GrantFiled: December 10, 1981Date of Patent: November 18, 1986Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Peter Jessup
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Patent number: 4595514Abstract: A boron-containing heterocyclic compound prepared by reacting a primary amine or ammonia with an alkylene oxide or epoxide and then reacting concurrently or subsequently this reaction intermediate with a boric acid. This boron-containing heterocyclic compound may further be reacted with a metal, metaloid or other metal compound and even further contain sulfur, such as a sulfide group.The boron-containing heterocyclic compound provides extreme pressure anti-wear properties when provided in a lubricating composition. The lubricating composition may also comprise anti-oxidants, copper corrosion inhibitors, and lead corrosion inhibitors. The anti-wear properties of a lubricating composition can be enhanced using the borates of the present invention in conjuction with a copper compound.Type: GrantFiled: January 29, 1985Date of Patent: June 17, 1986Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Michael C. Croudace
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Patent number: 4557843Abstract: A boron-containing heterocyclic compound prepared by reacting a primary amine or ammonia with an alkylene oxide or epoxide and then reacting concurrently or subsequently this reaction intermediate with a boric acid. This boron-containing heterocyclic compound may further be reacted with a metal, metalloid or other metal compound and even further contain sulfur, such as a sulfide group.The boron-containing heterocyclic compound provides extreme pressure anti-wear properties when provided in a lubricating composition. The lubricating composition may also comprise anti-oxidants, copper corrosion inhibitors, and lead corrosion inhibitors. The anti-wear properties of a lubricating composition can be enhanced using the borates of the present invention in conjunction with a copper compound.Type: GrantFiled: January 29, 1985Date of Patent: December 10, 1985Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Peter J. Jessup
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Patent number: 4533480Abstract: Certain bis(hydrocarbyloxy methylated) boron-containing, heterocyclic compounds are disclosed which impart extreme pressure, anti-wear and friction reducing properties to lubricating oils. Such oils may be further provided with a hydrocarbon polysulfide derivative of 2,5-dimercapto-1,3,4-thiodiazole as a copper corrosion inhibitor, or terephthalic acid as a lead corrosion inhibitor, or either a bis(dithiobenzil)metal derivative or a sulfur bridged, bis hindered phenol as an oxidation inhibitor, or mixtures thereof.Type: GrantFiled: March 18, 1983Date of Patent: August 6, 1985Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Peter J. Jessup
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Patent number: 4511516Abstract: Boron-containing heterocyclic compounds of the chemical formula: ##STR1## wherein at least one of R.sub.1, R.sub.2, R.sub.3, or R.sub.4 is an aryl, alkylaryl, or arylalkyl radical having from 1 to about 30 carbon atoms have been found useful as extreme pressure, anti-wear and friction-reducing additives for lubricating oils. The boron-containing heterocyclic compounds of the present invention are the reaction product of boric acid with the intermediate reaction product of a primary amine and an aromatic oxide. Metal derivatives of the boron-containing heterocyclic compounds are obtained by chemical reaction with a metal or compound thereof, particularly a first row transition metal or a Group IVA metal, or a compound thereof.Type: GrantFiled: September 15, 1982Date of Patent: April 16, 1985Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Kenneth Baron, Peter Jessup
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Patent number: 4490265Abstract: Lubricating compositions containing an oxidation inhibitor, copper and lead corrosion inhibitors and boron-containing heterocyclic compounds or metal derivatives thereof, which have extreme pressure, anti-wear and friction reducing properties are disclosed.Type: GrantFiled: October 15, 1982Date of Patent: December 25, 1984Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Peter Jessup
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Patent number: 4427560Abstract: Lubricating compositions containing an oxidation inhibitor, copper and lead corrosion inhibitors and boron and/or metal-boron derivatives having extreme pressure, anti-wear and friction reducing properties are disclosed.Type: GrantFiled: December 10, 1981Date of Patent: January 24, 1984Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Peter Jessup
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Patent number: 4412928Abstract: Lubricating compositions containing an oxidation inhibitor, copper and lead corrosion inhibitors and boron and/or metal-boron derivatives having extreme pressure, anti-wear and friction reducing properties are disclosed.Type: GrantFiled: December 23, 1981Date of Patent: November 1, 1983Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Peter Jessup
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Patent number: 4410436Abstract: Lubricating compositions containing copper and lead corrosion inhibitors and boron and/or metal-boron derivatives having extreme pressure, anti-wear and friction reducing properties are disclosed.Type: GrantFiled: November 9, 1981Date of Patent: October 18, 1983Assignee: Union Oil Company of CaliforniaInventors: Richard A. Holstedt, Peter Jessup
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Patent number: 4400284Abstract: Boron and/or metal-boron derivatives having extreme pressure anti-wear and friction reducing properties and lubricating compositions containing the same are disclosed. The lubricating compositions comprise a major amount of a lubricating oil and a minor amount of an extreme pressure, anti-wear and friction reducing additive comprising a boramid or metal containing boramid compound.Type: GrantFiled: June 12, 1980Date of Patent: August 23, 1983Assignee: Union Oil Company of CaliforniaInventors: Peter Jessup, Richard A. Holstedt, Kenneth Baron