Patents by Inventor Hoa K. Chau

Hoa K. Chau 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).

  • Extraction of pectin by microwave heating under pressure
    Patent number: 6143337
    Abstract: High-quality pectins may be extracted from pectin-containing plant materials with microwave energy under pressure. The pectins are characterized by increased molecular weight, size and intrinsic viscosity when compared to pectin extracted by conventional heating techniques.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: November 7, 2000
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Marshall L. Fishman, Hoa K. Chau