Patents by Inventor Perry E. Landers

Perry E. Landers 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: 5153032
    Abstract: Self-healing coatings are formed by first phosphating or nitriding ferrous parts, then coating with an emulsion of e.g. polysiloxane, oil, sorbitan derivative and sodium sulfonate, butyl cellosolve, oleic acid. Preferred phosphating is to a thickness of 2,000-3,000 mg Zn phosphate/square foot. This coating passes 240-plus hours in 5% salt spray (ASTM B-117) and resists wash off with car wash soap.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: October 6, 1992
    Assignee: Ashland Oil, Inc.
    Inventors: Perry E. Landers, George F. Felton, Richard L. Williams
  • Patent number: 5024697
    Abstract: Self-healing coatings are formed by first phosphating or nitriding ferrous parts, then coating with an emulsion of e.g. polysiloxane, oil, sorbitan derivative and sodium sulfonate, butyl cellosolve, oleic acid. Preferred phosphating is to a thickness of 2,000-3,000 mg Zn phosphate/square foot. This coating passes 240-plus hours in 5% salt spray (ASTM B-117) and resists wash off with car wash soap.
    Type: Grant
    Filed: May 27, 1987
    Date of Patent: June 18, 1991
    Assignee: Ashland Oil, Inc.
    Inventors: Perry E. Landers, George F. Felton
  • Patent number: 4981757
    Abstract: Self-healing coatings are formed by first phosphating or nitriding ferrous parts, then coating with an emulsion of e.g. polysiloxane, oil, sorbitan derivative and sodium sulfonate, butyl cellosolve, oleic acid. Preferred phosphating is to a thickness of 2,000-3,000 mg Zn phosphate/square foot. This coating passes 240-plus hours in 5% salt spray (ASTM B-117) and resists wash off with car wash soap.
    Type: Grant
    Filed: August 7, 1989
    Date of Patent: January 1, 1991
    Assignee: Ashland Oil, Inc.
    Inventors: Perry E. Landers, George F. Felton
  • Patent number: 4748055
    Abstract: Self-healing coatings are formed by first phosphating or nitriding ferrous parts, then coating with an emulsion of e.g. polysiloxane, oil, sorbitan derivative and sodium sulfonate, butyl cellosolve, oleic acid. Preferred phosphating is to a thickness of 2,000-3,000 mg Zn phosphate/square foot. This coating passes 240-plus hours in 5% salt spray (ASTM B-117) and resists wash off with car wash soap.
    Type: Grant
    Filed: October 22, 1986
    Date of Patent: May 31, 1988
    Assignee: Ashland Oil, Inc.
    Inventors: Perry E. Landers, George F. Felton, Richard L. Williams
  • Patent number: 4315889
    Abstract: Metal-working compositions (water-base, oil-base and oil-in-water emulsions) containing triazole and thiadiazole compounds are disclosed. These compositions prolong the working life of metal cutting and grinding tools containing tungsten carbide particles bonded together by nickel or cobalt. The oil-base coolant and lubricant comprises a mineral oil, a triazole or thiadiazole compound, and optionally, an extreme pressure lubricant, fats, rust preventives and mist suppressants. The aqueous base and oil-in-water emulsion metal-working compositions are prepared in the form of a liquid concentrate which subsequently is diluted with water to form the metal-working coolant or lubricant. The concentrate to be diluted and made into an aqueous coolant and lubricant comprises a triazole and thiadiazole compound, boric acid, an amine or mixture of amines, sodium gluconate and an aromatic or paraffinic carboxylic acid.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: February 16, 1982
    Assignee: Ashland Oil, Inc.
    Inventors: John M. McChesney, Perry E. Landers