Patents Represented by Attorney F. M. Van Riet

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  • Dustless, free-flowing ultraviolet absorbing compositions for polyolefins
    Patent number: 4104335
    Abstract: Dustless, free-flowing ultraviolet absorbing compositions for use in polyolefins comprise an intimate mixture of a major proportion of a nickel amine complex of a 2,2'-thiobis(4-alkylphenol) and a minor proportion of a low molecular weight polyethylene.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: August 1, 1978
    Assignee: American Cyanamid Company
    Inventor: Leigh Cameron Allen