Patents by Inventor Allen J. Hopkins

Allen J. Hopkins 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).

  • Texture carpets and rugs made from fiber blends
    Patent number: 5223317
    Abstract: A blend of low shrinkage polyester fibers and high shrinkage polyester fibers is described. In particular, the blend includes high shrinkage PET copolymers having boiling water shrinkages from 6 to 11 percent and low shrinkage PET copolymer fibers having a shrinkage of less than 3 percent. Textured carpets and rugs made from the blend consistently have better initial tuft end point definition and, in most cases, better bulk than corresponding polyester carpets made from conventional polyester fibers.
    Type: Grant
    Filed: December 30, 1991
    Date of Patent: June 29, 1993
    Assignee: Hoechst Celanese Corporation
    Inventors: James A. Corbin, Allen J. Hopkins, Michael C. Whited
  • Carpet fiber blends and saxony carpets made therefrom
    Patent number: 5102713
    Abstract: A blend of low shrinkage polyester fibers and high shrinkage polyester fibers is described. In particular, the blend includes high shrinkage PET copolymers having boiling water shrinkages from 6 to 11 percent and low shrinkage PET copolymer fibers having a shrinkage of less than 3 percent. Saxony carpets made from the blend consistently have better initial tuft end point definition and, in most cases, better bulk than corresponding saxony polyester carpets made from conventional polyester fibers.
    Type: Grant
    Filed: September 5, 1990
    Date of Patent: April 7, 1992
    Assignee: Hoechst Celanese Corporation
    Inventors: James A. Corbin, Allen J. Hopkins, Michael C. Whited