Patents Represented by Attorney John J. Tomaszweski

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  • Latex rubber coated asbestos-cement products
    Patent number: 4588625
    Abstract: A process for the production of a vulcanized latex protective coating bonded to the surface of an asbestos-cement article, particularly a pipe, is disclosed. The process includes a step whereby the latex coating is applied before autoclaving to the article, and becomes a hard, protective bonded layer during the autoclaving process.
    Type: Grant
    Filed: October 2, 1984
    Date of Patent: May 13, 1986
    Assignee: ASARCO Incorporated
    Inventor: Victor Puskar