Patents by Inventor Victor Puskar

Victor Puskar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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
  • Process for applying latex rubber coatings to asbestos-cement products
    Patent number: 4489109
    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: December 10, 1982
    Date of Patent: December 18, 1984
    Assignee: ASARCO Incorporated
    Inventor: Victor Puskar
  • Method for producing calcined clay pigments
    Patent number: 3941872
    Abstract: Naturally-occurring hydrated kaolin clay is calcined under a reducing atmosphere at a temperature of at least 1400.degree.F., preferably in the range of about 1600.degree.F. to 2100.degree.F., and then the clay is calcined in an oxidizing atmosphere at a temperature of at least 1400.degree.F., preferably in the range of about 1600.degree.F. to 2100.degree.F., to produce a calcined clay pigment product of desired brightness.
    Type: Grant
    Filed: May 8, 1974
    Date of Patent: March 2, 1976
    Assignee: Engelhard Minerals & Chemicals Corporation
    Inventor: Victor Puskar