Patents Represented by Attorney William C. Clark

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  • Lubricant overbased detergent-dispersants with improved solubility
    Patent number: 4614602
    Abstract: A lubricant composition is disclosed comprising a major amount of a lubricating oil composition and a minor amount of an overbased detergent-dispersant lubricant additive comprising a reaction product of an alkaline earth metal phenate and an ammonium alkylbenzene sulfonate wherein the phenate and the sulfonate are reacted in the presence of an alcohol of 1 to 4 carbon atoms and said reaction product is stripped to remove ammonia, water and said alcohol.
    Type: Grant
    Filed: May 1, 1985
    Date of Patent: September 30, 1986
    Assignee: Amoco Corporation
    Inventors: Joseph J. Valcho, Francis J. Slama, Joseph S. Strukl, Chang-Man Park
  • 2,3-Di-(carboxyphenyl)oxirane compounds and polymers
    Patent number: 4248998
    Abstract: 2,3-Di-(carboxyphenyl) oxirane compounds and essentially linear polyesters and copolyesters therefrom. The esters are useful as plasticizers for polyvinylchloride.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: February 3, 1981
    Assignee: Standard Oil Company (Indiana)
    Inventors: Carl A. Udovich, Edward E. Paschke, Ellis K. Fields