Patents by Inventor Eunice C. Ashizawa

Eunice C. Ashizawa 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).

  • Methods of enhancing printing quality of pigment compositions onto cotton fabrics
    Patent number: 5352243
    Abstract: Disclosed are methods for enhancing the quality of printing on cotton-containing fabrics. Specifically, this methods disclosed herein recite the pretreatment of cotton-containing fabrics with cellulase prior to printing in order to enhance printing characteristics on the fabric such as pigment uptake, enhanced clarity, reduced pigment bleeding, and the like. The methods disclosed herein generally entail treating cotton-containing fabrics with an aqueous cellulase formulation and preferably with an aqueous cellulase solution under agitating conditions.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: October 4, 1994
    Assignee: Genencor International, Inc.
    Inventors: Eunice C. Ashizawa, Kathleen A. Clarkson, Pushkaraj J. Lad, Edward Larenas