Patents by Inventor Frank L. Erickson

Frank L. Erickson 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: 5282989
    Abstract: There is disclosed a lubricating composition consisting essentially of a lubricant base and a lubricant additive wherein the lubricant additive comprises at least two groups of ingredients, wherein, the first group is a triglyceride vegetable oil, a wax ester of a triglyceride vegetable oil and combinations, the second group is a sulfurized mixture of a triglyceride vegetable oil and a wax ester of a triglyceride vegetable oil, and the third group is a phosphite adduct of triglyceride vegetable oil, a phosphite adduct of wax ester and combinations.
    Type: Grant
    Filed: June 16, 1992
    Date of Patent: February 1, 1994
    Assignee: International Lubricants, Inc.
    Inventors: Frank L. Erickson, Robert E. Anderson, Phillip S. Landis
  • Patent number: 5023312
    Abstract: There is disclosed lubricant additives that comprise a combination of meadowfoam oil as a triglyceride or a wax ester, sulfurized triglyceride meadowfoam oil or sulfurized wax ester of meadowfoam oil, amnd phosphite adducts of triglyceride meadowfoam oil or wax ester of meadowfoam oil. There is also disclosed a proceess for sulfurizing triglyceride meadowfoam oil that is soluble in a lubricant base, such as mineral oil.
    Type: Grant
    Filed: April 19, 1990
    Date of Patent: June 11, 1991
    Inventors: Frank L. Erickson, Robert E. Anderson, Phillip S. Landis
  • Patent number: 4970010
    Abstract: There is disclosed lubricant additives that comprise combination of vegetable oil as a triglyceride or a wax ester, sulfurized triglyceride vegetable oil or sulfurized wax ester of vegetable oil, and phosphite adducts of triglyceride vegetable oil, wax ester of vegetable oil or jojoba oil. There is also disclosed a process for sulfurizing triglyceride vegetable oil that is soluble in a lubricant base, such as mineral oil.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: November 13, 1990
    Assignee: International Lubricants, Inc.
    Inventors: Frank L. Erickson, Robert E. Anderson, Phillip S. Landis
  • Patent number: 4925581
    Abstract: There is disclosed lubricant additives that comprise a combination of meadowfoam oil as a triglyceride or a wax ester, sulfurized triglyceride meadowfoam oil or sulfurized wax ester of meadowfoam oil, and phosphite adducts of triglyceride meadowfoam oil or wax ester of meadowfoam oil. There is also disclosed a process for sulfurizing triglyceride meadowfoam oil that is soluble in a lubricant base, such as mineral oil.
    Type: Grant
    Filed: July 19, 1988
    Date of Patent: May 15, 1990
    Assignee: International Lubricants, Inc.
    Inventors: Frank L. Erickson, Robert E. Anderson, Phillip S. Landis