Patents by Inventor Emilia E. Lacatus

Emilia E. Lacatus 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).

  • Weatherable rigid vinyl articles
    Patent number: 4755414
    Abstract: The invention relates to a vinyl halide polymer composition suitable for outdoor use in the sunlight. The change in color as measured by .DELTA.E in articles made from the polymeric composition is found to be substantially lower than other compositions. The lower .DELTA.E provides a measurement for improved weatherability of the compositions in such applications as housing siding, window profiles, shutters and roof vents.
    Type: Grant
    Filed: December 3, 1987
    Date of Patent: July 5, 1988
    Assignee: The BF Goodrich Company
    Inventors: Emilia E. Lacatus, Elvira B. Rabinovitch, James W. Summers
  • Weatherable vinyl polymer compositions
    Patent number: 4728677
    Abstract: The invention relates to a vinyl halide polymer composition suitable for outdoor use in the sunlight. The change in color as measured by .DELTA.E in articles made from the polymeric composition is found to be substantially lower than other compositions. The lower .DELTA.E provides a measurement for improved weatherability of the compositions in such applications as housing siding, window profiles, shutters and roof vents.
    Type: Grant
    Filed: May 30, 1986
    Date of Patent: March 1, 1988
    Assignee: The B. F. Goodrich Company
    Inventors: Emilia E. Lacatus, Elvira B. Rabinovitch, James W. Summers