Patents by Inventor Wesley E. Workman

Wesley E. Workman 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).

  • Process for the conversion of cellulose to glucose
    Patent number: 4487831
    Abstract: Cellulose is converted to glucose in a two stage process in which cellobiose is produced from a cellulosic feedstock under the influence of Trichoderma reesei in a first stage and cellobiose from the first stage is converted to glucose in a second stage by the action of purified cellobiase derived from Aspergillus terreus. Cellobiase from A. terreus is purified by contacting a crude aqueous extract of the cellobiase with an ion exchange resin and an anion exchange resin. The purified cellobiase may be immobilized on a suitable substrate.
    Type: Grant
    Filed: May 19, 1982
    Date of Patent: December 11, 1984
    Assignee: Research Corporation
    Inventors: Donal F. Day, Wesley E. Workman