Patents by Inventor Ying-Zhi Zhang

Ying-Zhi Zhang 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).

  • Degradation of nitrocellulose by combined cultures of Sclerotium rolfsii ATCC 24459 and fusarium solani IFO 31093
    Patent number: 5414198
    Abstract: The invention provides a method of degrading nitrate esters by exposing a spension of a nitrate ester to a combined culture of Sclerotium rolfsii ATCC 24459 and Fusarium Solani IFO 31093. This allows an alleviation of environmental difficulties associated with the demilitarization of nitrocellulose base gun propellants and for the bioremediation of soils contaminated with such nitrocellulose based materials.
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: May 9, 1995
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Bruce W. Brodman, Anil Sharma, Thiruvenkataswamy Shanmugasundaram, Ying-Zhi Zhang