Patents by Inventor William J. Heintzelman

William J. Heintzelman 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).

  • Mixtures of alkyl and alkenyl succinic acids and polymer acids
    Patent number: 4508637
    Abstract: This invention relates to a composition comprising:(1) polymer acids such as dimer or trimer acids and mixtures thereof, and(2) an alkyl succinic acid or the anhydride thereof, and the weight ratios of (1) to (2) being less than about 3 to 1; and to the use thereof as a corrosion inhibitor.Preferably the weight ratio of (1) to (2) is about 2 to 1 or less and the polymer acid is predominantly trimer acid.
    Type: Grant
    Filed: February 28, 1980
    Date of Patent: April 2, 1985
    Assignee: Petrolite Corporation
    Inventors: William J. Heintzelman, Richard L. Godar
  • Reaction products of wax-anhydride compounds and polyamines
    Patent number: 4041056
    Abstract: Wax-anhydride compounds and derivatives thereof, including amides, esters, etc.; processes by which they are prepared; and uses thereof, including their use as carbon paper inks, polishes, etc.
    Type: Grant
    Filed: March 12, 1976
    Date of Patent: August 9, 1977
    Assignee: Petrolite Corporation
    Inventors: William J. Heintzelman, Michael I. Naiman
  • Polishes containing wax-anhydride compounds
    Patent number: 3933511
    Abstract: Polishes containing wax-anhydride compounds and derivatives thereof, including amides, esters, etc. of such wax-anhydride compounds.
    Type: Grant
    Filed: December 22, 1972
    Date of Patent: January 20, 1976
    Assignee: Petrolite Corporation
    Inventors: William J. Heintzelman, Michael I. Naiman
  • Carbon paper inks containing wax-anhydride compounds
    Patent number: 3933512
    Abstract: Wax-anhydride compounds and derivatives thereof, including amides, esters, etc. of such wax-anhydride compounds, employed in carbon paper inks.
    Type: Grant
    Filed: December 22, 1972
    Date of Patent: January 20, 1976
    Assignee: Petrolite Corporation
    Inventors: William J. Heintzelman, Michael I. Naiman