Patents by Inventor Ronald F. Manning

Ronald F. Manning 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).

  • Biosynthesis of 2 keto-L-gulonic acid
    Patent number: 5082785
    Abstract: A process of producing 2-keto-L-gulonic acid from sorbose via a recombinant bacteria including expression vectors and probes for producing said recombinant bacteria.
    Type: Grant
    Filed: January 30, 1987
    Date of Patent: January 21, 1992
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Ronald F. Manning, Maria S. Kahn
  • Biosynthesis of 2 keto-L-gulonic acid
    Patent number: RE34851
    Abstract: A process of producing 2-keto-L-gulonic acid from sorbose via a recombinant bacteria including expression vectors and probes for producing said recombinant bacteria.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: February 7, 1995
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Ronald F. Manning, Maria S. Kahn