Patents Assigned to Omnova Services Inc.
  • Method of making an embossed, waterproof shower pan liner
    Patent number: 6187244
    Abstract: A method for making a flexible, waterproof shower pan liner comprised of a water-insoluble thermoplastic sheet. The shower pan liner includes on at least one surface selected indicia such as product information or plumbing codes at regular intervals. The indicia are embossed into the shower pan liner thereby eliminating the need for a protective top coat. In the process for making the invention, the thermoplastic is heated, calendered, and thereafter embossed with the selected indicia while in a heated condition.
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: February 13, 2001
    Assignee: Omnova Services Inc.
    Inventors: David L. Fishel, Peter F. Payne