Patents by Inventor Patricia Ann Schwartz

Patricia Ann Schwartz 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).

  • Post-dye screen printing
    Patent number: 6168635
    Abstract: A dyeing system composition for use in printing articles formed from cellulose prior to dyeing. The dyeing system composition includes the use of both a dye blocking print paste and a dye enhancing print paste to selectively decrease or increase the shade of dyed portions of a cellulose article such as a woven cotton fabric.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: January 2, 2001
    Assignee: Burlington Chemical Co., Inc.
    Inventors: Samuel B. Moore, James F. Leuck, Patricia Ann Schwartz
  • Post-dye screen printing
    Patent number: 5984977
    Abstract: A dyeing system composition for use in printing articles formed from cellulose prior to dyeing. The dyeing system composition includes the use of both a dye blocking print paste and a dye enhancing print paste to selectively decrease or increase the shade of dyed portions of a cellulose article such as a woven cotton fabric.
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: November 16, 1999
    Assignee: Burlington Chemical Co., Inc.
    Inventors: Samuel B. Moore, James F. Leuck, Patricia Ann Schwartz