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).

  • Patent number: 4801729
    Abstract: 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: Grant
    Filed: December 30, 1987
    Date of Patent: January 31, 1989
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Michael C. Croudace
  • Patent number: 4756842
    Abstract: 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: Grant
    Filed: June 25, 1986
    Date of Patent: July 12, 1988
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Kenneth Baron, Peter J. Jessup
  • Patent number: 4724099
    Abstract: 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: Grant
    Filed: July 11, 1986
    Date of Patent: February 9, 1988
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Michael C. Croudace
  • Patent number: 4701274
    Abstract: 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: Grant
    Filed: April 26, 1985
    Date of Patent: October 20, 1987
    Assignee: Union Oil Company of California
    Inventors: Michael C. Croudace, Leah T. Mendelson, Richard A. Holstedt
  • Patent number: 4686056
    Abstract: 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: Grant
    Filed: April 7, 1983
    Date of Patent: August 11, 1987
    Assignee: Union Oil Company of California
    Inventors: Peter Jessup, Richard A. Holstedt, Kenneth Baron
  • Patent number: 4657686
    Abstract: 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: Grant
    Filed: January 29, 1985
    Date of Patent: April 14, 1987
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Peter J. Jessup
  • Patent number: 4629579
    Abstract: 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: Grant
    Filed: December 7, 1984
    Date of Patent: December 16, 1986
    Assignee: Union Oil Company of California
    Inventors: Peter J. Jessup, Richard A. Holstedt, Kenneth Baron
  • Patent number: 4629580
    Abstract: 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: Grant
    Filed: January 29, 1985
    Date of Patent: December 16, 1986
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Kenneth Baron, Peter J. Jessup
  • Patent number: 4627930
    Abstract: 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: Grant
    Filed: January 29, 1985
    Date of Patent: December 9, 1986
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Kenneth Baron, Peter J. Jessup
  • Patent number: 4623474
    Abstract: 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: Grant
    Filed: December 10, 1981
    Date of Patent: November 18, 1986
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Peter Jessup
  • Patent number: 4595514
    Abstract: 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: Grant
    Filed: January 29, 1985
    Date of Patent: June 17, 1986
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Michael C. Croudace
  • Patent number: 4557843
    Abstract: 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: Grant
    Filed: January 29, 1985
    Date of Patent: December 10, 1985
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Peter J. Jessup
  • Patent number: 4533480
    Abstract: 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: Grant
    Filed: March 18, 1983
    Date of Patent: August 6, 1985
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Peter J. Jessup
  • Patent number: 4511516
    Abstract: 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: Grant
    Filed: September 15, 1982
    Date of Patent: April 16, 1985
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Kenneth Baron, Peter Jessup
  • Patent number: 4490265
    Abstract: 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: Grant
    Filed: October 15, 1982
    Date of Patent: December 25, 1984
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Peter Jessup
  • Patent number: 4427560
    Abstract: 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: Grant
    Filed: December 10, 1981
    Date of Patent: January 24, 1984
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Peter Jessup
  • Patent number: 4412928
    Abstract: 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: Grant
    Filed: December 23, 1981
    Date of Patent: November 1, 1983
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Peter Jessup
  • Patent number: 4410436
    Abstract: 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: Grant
    Filed: November 9, 1981
    Date of Patent: October 18, 1983
    Assignee: Union Oil Company of California
    Inventors: Richard A. Holstedt, Peter Jessup
  • Patent number: 4400284
    Abstract: 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: Grant
    Filed: June 12, 1980
    Date of Patent: August 23, 1983
    Assignee: Union Oil Company of California
    Inventors: Peter Jessup, Richard A. Holstedt, Kenneth Baron