Patents by Inventor Trimbur E. Donald

Trimbur E. Donald 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).

  • Mutant 1,3-propanediol dehydrogenase
    Patent number: 6558933
    Abstract: The present invention relates to mutant 1,3-propanediol dehydrogenase and a novel microorganism that is capable of growing in concentrations of at least 105 g/l 1,3-propanediol, levels normally toxic to wild-type microorganisms. The present invention also provides expression vectors and host cells comprising the mutant 1,3-propanediol dehydrogenase as well as methods for producing 1,3-propanediol comprising the use of cells comprising the mutant 1,3-propanediol dehydrogenase.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: May 6, 2003
    Assignee: Genencor International, INC
    Inventors: Trimbur E. Donald, Whited M. Gregory, Olga V. Selifonova
  • Mutant 1,3-propanediol dehydrogenase
    Publication number: 20030040091
    Abstract: The present invention relates to mutant 1,3-propanediol dehydrogenase and a novel microorganism that is capable of growing in concentrations of at least 105 g/l 1,3-propanediol, levels normally toxic to wild-type microorganisms. The present invention also provides expression vectors and host cells comprising the mutant 1,3-propanediol dehydrogenase as well as methods for producing 1,3-propanediol comprising the use of cells comprising the mutant 1,3-propanediol dehydrogenase.
    Type: Application
    Filed: November 16, 2001
    Publication date: February 27, 2003
    Inventors: Trimbur E. Donald, Whited M. Gregory, Olga V. Selifonova
  • Mutant 1,3-propandiol dehydrogenase
    Patent number: 6468773
    Abstract: The present invention relates to mutant 1,3-propanediol dehydrogenase and a novel microorganism that is capable of growing in concentrations of at least 105 g/l 1,3-propanediol, levels normally toxic to wild-type microorganisms. The present invention also provides expression vectors and host cells comprising the mutant 1,3-propanediol dehydrogenase as well as methods for producing 1,3-propanediol comprising the use of cells comprising the mutant 1,3-propanediol dehydrogenase.
    Type: Grant
    Filed: May 14, 2000
    Date of Patent: October 22, 2002
    Assignee: Genencor International, Inc.
    Inventors: Trimbur E. Donald, Whited M. Gregory, Olga V. Selifonova