Patents Represented by Attorney Paul H. Heller

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  • Insecticidal isovaleric acid esters
    Patent number: 4411912
    Abstract: Esters and thiolesters of amino acids, intermediates therefor, synthesis thereof, and the use of said esters and thiolesters and compositions for the control of pests.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: October 25, 1983
    Assignee: Zoecon Corporation
    Inventors: Clive A. Henrick, Barbara A. Garcia
  • Substituted amino acids
    Patent number: 4243819
    Abstract: Esters and thiolesters of amino acids, intermediates therefor, synthesis thereof, and the use of said esters and thiolesters and compositions for the control of pests.
    Type: Grant
    Filed: February 16, 1978
    Date of Patent: January 6, 1981
    Assignee: Zoecon Corporation
    Inventors: Clive A. Henrick, Barbara A. Garcia
  • Random elastomeric copolyesters
    Patent number: RE31270
    Abstract: This invention relates to random linear copolyesters containing units of terephthalic acid, butane diol, polytetramethylene glycol and dimer acid. The copolymers are elastic materials and can be made into films, fibers and molded products.
    Type: Grant
    Filed: November 17, 1981
    Date of Patent: June 7, 1983
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: William C. T. Tung