Patents Represented by Attorney Joseph L. Fischer

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  • Novel carbamate additives for functional fluids
    Patent number: 4846983
    Abstract: Novel molybdenum or tungsten thiocarbamate additives for functional fluids, e.g., lubricating oils, automatic transmission fluids (ATF), as well as fuel compositions, have been developed. The molybdenum or tungsten carbamate compositions, compounds, complexes and oligomers of the present invention are derived from at least one hydrocarbyl primary amine and impart improved anti-wear properties, anti-oxidant properties, extreme pressure properties and friction modifying properties in functional fluids for internal combustion engines.
    Type: Grant
    Filed: February 21, 1986
    Date of Patent: July 11, 1989
    Assignee: The Lubrizol Corp.
    Inventor: William C. Ward, Jr.