Patents by Inventor Gaynor M. Miasik

Gaynor M. Miasik 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).

  • Magnesium phenate detergents
    Patent number: 4957642
    Abstract: A magnesium phenate is prepared by a process which comprises reacting (1) magnesium oxide, magnesium hydroxide, magnesium carbonate, magnesium bicarbonate or a magnesium carboxylate with (2) a phenol, a methylene bis-phenol or a sulphurised phenol in the presence of (3) a solvent comprising an organic compound containing one or more alcoholic hydroxyl groups e.g. an alkoxy alcohol and (4) a promoter selected from a ketone, diketone such as .alpha. or .beta. diketone, aldehyde or carboxylic acid and (5) optionally a diluent oil. This magnesium phenate may be used as a detergent for a lubricating oil.
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: September 18, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: John A. Cleverley, John F. Marsh, Philip Skinner, Gaynor M. Miasik