Patents Represented by Attorney B. B. Colley

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  • Lubricants for reciprocating air compressors
    Patent number: 4751012
    Abstract: Synthetic lubricants comprising 15 to 45 weight percent of an ester of a monohydric alcohol of 4 to 18 carbon atoms with one or more aromatic or alkane dicarboxylic acids having 4 to 18 carbon atoms blended with 85 to 55 weight percent of one or more polyether polyols having a number average molecular weight from about 400 to 5000. The blends are compounded with antioxidants, corrosion inhibitors, and metal deactivators to produce a superior lubricant for reciprocating air compressors which gives a long life to the compressors.
    Type: Grant
    Filed: November 4, 1986
    Date of Patent: June 14, 1988
    Assignee: The Dow Chemical Company
    Inventors: Eldon L. Ward, Philip W. McGraw, Thomas J. Appleman