Patents by Inventor David E. Block

David E. Block 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).

  • Benomyl tolerant fusarium lateritium and uses thereof
    Publication number: 20020159980
    Abstract: The invention provides methods for treating a plant having an exposed wound to increase resistance against a plant pathogen, by applying an effective amount of a benomyl solution, in conjunction with inoculating the pruning wound with a fungal organism resistant to the benomyl concentration. The invention also provides a benomyl tolerant F. lateritium which is particularly adapted for the treatment of grapevine pruning wounds to control Eutypa dieback.
    Type: Application
    Filed: February 28, 2001
    Publication date: October 31, 2002
    Inventors: David E. Block, Jean S. Vandergheynst
  • Process for producing frenolicin B
    Patent number: 5593870
    Abstract: The present invention is directed to a process for producing frenolicin B. The process comprises fermenting a broth so as to produce frenolicin, said broth having a microorganism capable of producing frenolicin. The frenolicin is then converted in the broth under anaerobic conditions to deoxyfrenolicin. The deoxyfrenolicin is converted to frenolicin B.
    Type: Grant
    Filed: September 14, 1994
    Date of Patent: January 14, 1997
    Assignee: Hoffmann-La Roche Inc.
    Inventors: David E. Block, Theron E. Hermann, Jih-Han Hsieh, Nikhil S. Mehta, Vishva R. Rai