Patents by Inventor Michael R. Gretz

Michael R. Gretz 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).

  • Magnetic alternation of cellulose during its biosynthesis
    Patent number: 4891317
    Abstract: A method of producing cellulose of amorphous character by subjecting cellulose-producing organisms to a magnetic field substantially greater than 0.5 gauss and preferably at least about 500 gauss. The cellulose produced in the presence of a magnetic field is of an amorphous nature with increased water absorptivity and decreased crystallinity.
    Type: Grant
    Filed: April 3, 1985
    Date of Patent: January 2, 1990
    Assignee: Board of Regents, The University of Texas System
    Inventors: R. Malcolm Brown, Jr., Debra S. Brown, Michael R. Gretz