Patents by Inventor John A. Keller, Jr.

John A. Keller, 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).

  • Grease composition
    Patent number: 5595961
    Abstract: Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Other essential ingredients of the compositions include borated hydroxyhydrocarbyl esters and phosphorus and/or sulfur compounds.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 21, 1997
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease composition
    Patent number: 5242610
    Abstract: The invention is an improved grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an organic compound containing oxygen, sulfur and/or nitrogen or mixtures thereof.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: September 7, 1993
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease composition
    Patent number: 5211863
    Abstract: The invention is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an organic compound containing oxygen, sulfur and/or nitrogen. Non-zinc phosphorodithioate sulfur and/or phosphorous compounds are also incorporated into the composition.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: May 18, 1993
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease composition
    Patent number: 5084194
    Abstract: Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Other essential ingredients of the compositions include borated hydrocarbylamines.
    Type: Grant
    Filed: November 14, 1990
    Date of Patent: January 28, 1992
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease composition containing alkoxylated amide borates
    Patent number: 5068045
    Abstract: The invention is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an alkoxylated amide containing a hydrocarbyl group of 1 to 60 carbon atoms and hydrocarbylene groups of 2 to 6 carbon atoms. Sulfur and/or phosphorous compounds are also incorporated into the composition.
    Type: Grant
    Filed: October 10, 1990
    Date of Patent: November 26, 1991
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Mixed alkoxylated alcohol-hydroquinone/resorcinol borates-antioxidants
    Patent number: 4985157
    Abstract: Mixed alkoxylated alcohol-hydroquinone or alkoxylated alcohol-resorcinol borates are effective multifunctional antioxidants for lubricants.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: January 15, 1991
    Assignee: Mobil Oil Corporation
    Inventors: Liehpao O. Farng, Andrew G. Horodysky, Robert E. Ernhoffer, John A. Keller, Jr.
  • Grease composition
    Patent number: 4961868
    Abstract: The invention is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an organic compound containing oxygen, sulfur and/or nitrogen. Sulfur and/or phosphorous compounds are also incorporated into the composition.
    Type: Grant
    Filed: March 7, 1989
    Date of Patent: October 9, 1990
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease compositions containing borated oxazoline compounds and hydroxy-containing soap thickeners
    Patent number: 4828734
    Abstract: Disclosed is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a boronated oxazoline compound. The hydroxy-containing soap thickener and boronated oxazoline compound are each added in amounts sufficient to increase the dropping point of the grease an appreciable amount. Generally this can be an increase of at least 15.degree. F. and could be as great as 200.degree. F. to 250.degree. F. or more. Sulfur and phosphorus compounds can also be incorporated into the composition.
    Type: Grant
    Filed: May 14, 1987
    Date of Patent: May 9, 1989
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease compositions comprising borated diols and hydroxy-containing thickeners
    Patent number: 4828732
    Abstract: Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Another essential ingredient of the composition is a borated hydrocarbyl diol. The compositions may also contain phosphorus and sulfur moieties.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: May 9, 1989
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease compositions containing borated catechol compounds and hydroxy-containing soap thickeners
    Patent number: 4781850
    Abstract: Disclosed is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a boronated catechol compound. The hydroxy-containing soap thickener and boronated catechol (ortho dihydroxybenzene) compound are each added in amounts sufficient to increase the dropping point of the grease an appreciable amount. The catechol (ortho dihydroxybenzene) compounds useful in this invention include catechol borates, catechol-alcohol borate compounds and catechol-amine borate compounds.
    Type: Grant
    Filed: March 10, 1987
    Date of Patent: November 1, 1988
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease composition containing borated alkoxylated alcohols
    Patent number: 4780227
    Abstract: Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Another essential ingredient of the compositions is a borated alkoxylated alcohol. The compositions may also contain phosphorus and sulfur moieties.
    Type: Grant
    Filed: May 4, 1987
    Date of Patent: October 25, 1988
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease compositions containing phenolic- or thio-amine borates and hydroxy-containing soap thickeners
    Patent number: 4743386
    Abstract: The dropping point temperature of a grease containing a hydroxy-bearing thickener is increased by including in the grease composition a borated or boron containing phenolic or thio amine Mannich base. A sulfur-phosphate compound, zinc dithiophosphate can also be added to further improve the dropping point.
    Type: Grant
    Filed: August 27, 1985
    Date of Patent: May 10, 1988
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease compositions containing borated catechol compounds and hydroxy-containing soap thickeners
    Patent number: 4655948
    Abstract: Disclosed is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a boronated catechol compound. The hydroxy-containing soap thickener and boronated catechol (ortho dihydroxybenzene) compound are each added in amounts sufficient to increase the dropping point of the grease an appreciable amount. The catechol (ortho dihydroxybenzene) compounds useful in this invention include catechol borates, catechol-alcohol borate compounds and catechol-amine borate compounds.
    Type: Grant
    Filed: August 27, 1985
    Date of Patent: April 7, 1987
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease composition containing boronated alcohols, and hydroxy-containing thickeners
    Patent number: 4600517
    Abstract: Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Another essential ingredient of the composition is a borated hydrocarbyl alcohol, and it may optionally contain phosphorus and sulfur moieties.
    Type: Grant
    Filed: August 22, 1984
    Date of Patent: July 15, 1986
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.
  • Grease composition containing borated epoxide and hydroxy-containing soap grease thickener
    Patent number: 4582617
    Abstract: Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Other essential ingredients of the compositions include borated hydrocarbyl epoxides and phosphorus and sulfur moieties.
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: April 15, 1986
    Assignee: Mobil Oil Corporation
    Inventors: John P. Doner, Andrew G. Horodysky, John A. Keller, Jr.