Patents by Inventor Robert M. Gemmill, Jr.

Robert M. Gemmill, Jr. 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).

  • Mannich base oil additives
    Patent number: 4787996
    Abstract: Mannich bases, prepared using a phenol substituted with a medium length branched alkyl chain, the alkyl being derived from a 1-olefin oligomer. These Mannich bases act as friction-reducing agents in lubricant and liquid fuel compositions.
    Type: Grant
    Filed: April 14, 1987
    Date of Patent: November 29, 1988
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Robert M. Gemmill, Jr.
  • Lubricant composition
    Patent number: 4786426
    Abstract: A borated oxazoline monoester, made by reacting a boron compound with the product of reaction between tris(hydroxymethyl)aminomethane and carboxylic acid is a new composition of matter. It is useful in a lubricating oil for reducing friction, and, therefore, fuel consumption in an internal combustion engine.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: November 22, 1988
    Assignee: Mobil Oil Corporation
    Inventors: Robert M. Gemmill, Jr., Andrew G. Horodysky
  • N-alkoxyalkylenediamine [organic acid reaction products] diamides and lubricants containing same
    Patent number: 4613343
    Abstract: Reaction products of N-alkylalkylenediamine with organic acids are disclosed.
    Type: Grant
    Filed: August 20, 1985
    Date of Patent: September 23, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Robert M. Gemmill, Jr.
  • N-Alkoxyalkylenediamine diamides and lubricants containing same
    Patent number: 4556497
    Abstract: Amides of certain ether diamines are provided. These compounds give excellent results when tested in lubricants as friction reducing additives.
    Type: Grant
    Filed: June 29, 1983
    Date of Patent: December 3, 1985
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Robert M. Gemmill, Jr.
  • Mixed borate esters and their use as lubricant and fuel additives
    Patent number: 4541941
    Abstract: Lubricant and fuel compositions having unique fuel saving properties are obtained by adding to the lubricant or fuel a product made by reacting a boron compound with a mixture of vicinal diols and long chain alcohols or hydroxyl-containing carboxylate esters.
    Type: Grant
    Filed: June 4, 1984
    Date of Patent: September 17, 1985
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Robert M. Gemmill, Jr.
  • Mixed borate esters and their use as lubricant and fuel additives
    Patent number: 4472289
    Abstract: Lubricant and fuel compositions having unique fuel saving properties are obtained by adding to the lubricant or fuel a product made by reacting a boron compound with a mixture of vicinal diols and long chain alcohols or hydroxyl-containing carboxylate esters.
    Type: Grant
    Filed: September 3, 1982
    Date of Patent: September 18, 1984
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Robert M. Gemmill, Jr.
  • Process for making synthetic lubricating oils
    Patent number: 4463201
    Abstract: High quality synthetic lubricating oils are provided when certain olefinic monomers such as ethylene, propylene and a third 1-olefin are copolymerized and thereafter dewaxed by means of a urea adduction process.
    Type: Grant
    Filed: January 24, 1983
    Date of Patent: July 31, 1984
    Assignee: Mobil Oil Corporation
    Inventors: John W. Schick, Robert M. Gemmill, Jr.
  • Sulfur-containing mannich bases and lubricants containing same
    Patent number: 4440655
    Abstract: Reaction products from thiodephenol, aldehydes and amines are effective friction reducing additives in lubricants.
    Type: Grant
    Filed: July 15, 1982
    Date of Patent: April 3, 1984
    Assignee: Mobil Oil Corporation
    Inventors: Robert M. Gemmill, Jr., Andrew G. Horodysky
  • Phenolic-containing mannich bases and lubricants containing same
    Patent number: 4396517
    Abstract: Reaction products from certain phenol, aldehydes and amines are effective friction reducing additives in lubricants and in liquid fuels, such as gasoline and alcohol fuels.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: August 2, 1983
    Assignee: Mobil Oil Corporation
    Inventors: Robert M. Gemmill, Jr., Andrew G. Horodysky
  • Friction reducing and corrosion inhibiting lubricant additives and their compositions
    Patent number: 4382869
    Abstract: Dimercaptothiadiazole adducts of hydroxyl-containing unsaturated compounds and their borated analogues provide effective multifunctional friction reducing and corrosion inhibiting properties to various lubricating fluids when incorporated therein.
    Type: Grant
    Filed: June 18, 1981
    Date of Patent: May 10, 1983
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Phillip S. Landis, Robert M. Gemmill, Jr.
  • Phosphorus-containing compounds and lubricants containing same
    Patent number: 4256592
    Abstract: Metal salts of hydrocarbyl oxazoline phosphorodithioic acids are novel compounds effective for reducing friction and wear when added to a lubricant.
    Type: Grant
    Filed: October 11, 1979
    Date of Patent: March 17, 1981
    Assignee: Mobil Oil Corporation
    Inventors: Robert M. Gemmill, Jr., Andrew G. Horodysky
  • Phosphorus-containing compounds and lubricants containing same
    Patent number: 4255271
    Abstract: Phosphosulfurized hydrocarbyl oxazoline reacted with nitrogen-containing compounds and certain olefins are novel compounds effective for reducing friction and wear when added to a lubricant.
    Type: Grant
    Filed: November 20, 1979
    Date of Patent: March 10, 1981
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Robert M. Gemmill, Jr.
  • Phosphorus-containing compounds and lubricants containing same
    Patent number: 4253978
    Abstract: Metal salts of hydrocarbyl oxazoline phosphorodithioic acids are novel compounds effective for reducing friction and wear when added to a lubricant.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: March 3, 1981
    Assignee: Mobil Oil Corporation
    Inventors: Robert M. Gemmill, Jr., Andrew G. Horodysky
  • Phosphorus-containing compounds and lubricants containing same
    Patent number: 4253973
    Abstract: Metal salts of phosphosulfurized hydrocarbyl oxazoline phosphorodithioic acids are novel compounds effective for reducing friction and wear when added to a lubricant.
    Type: Grant
    Filed: November 20, 1979
    Date of Patent: March 3, 1981
    Assignee: Mobil Oil Corporation
    Inventors: Andrew G. Horodysky, Robert M. Gemmill, Jr.
  • Process for improving olefin polymer oil properties
    Patent number: 4225739
    Abstract: Polymer oils having reduced viscosity and increased viscosity index are produced by oligomerizing a mixture of short chain 1-olefins and long chain 1-olefins in the presence of water or alcohol promoted boron trifluoride catalyst and low-boiling recycle from a previous oligomerization run.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: September 30, 1980
    Assignee: Mobil Oil Corporation
    Inventors: Richard N. Nipe, John W. Schick, Robert M. Gemmill, Jr.
  • Corrosion inhibited lubricant composition
    Patent number: 4193882
    Abstract: Lubricant compositions containing, in an amount sufficient to inhibit metal corrosion, the reaction product of oleic acid and 2,5-dimercapto-1,3,4-thiadiazole.
    Type: Grant
    Filed: October 19, 1978
    Date of Patent: March 18, 1980
    Assignee: Mobil Oil Corporation
    Inventor: Robert M. Gemmill, Jr.
  • Synthetic hydrocarbon lubricating oil
    Patent number: 4182922
    Abstract: Synthetic hydrocarbon oils having excellent viscosity index and pour point combinations. They are made by a process involving the copolymerization of propylene or propylene plus higher 1-olefins with small amounts of ethylene.
    Type: Grant
    Filed: December 19, 1977
    Date of Patent: January 8, 1980
    Assignee: Mobil Oil Corporation
    Inventors: John W. Schick, Robert M. Gemmill, Jr.
  • Lubricant compositions comprising substituted indans
    Patent number: 3931334
    Abstract: Lubricant compositions are provided comprising a substituted indan having the structure: ##SPC1##In which R is at least one member of the group consisting of hydrogen, alkyl, phenyl, carboxy alkyl, carboxy phenyl, phenoxy and their thiosubstituted derivatives. The method for the preparation of these substituted indans is also provided.
    Type: Grant
    Filed: July 5, 1973
    Date of Patent: January 6, 1976
    Assignee: Mobil Oil Corporation
    Inventors: Robert M. Gemmill, Jr., John W. Schick