Patents by Inventor Robert P. Cory

Robert P. Cory 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).

  • Production of xylose (dextrose) isomerase enzyme preparations
    Patent number: 3957587
    Abstract: Process for the production of xylose (dextrose) isomerase by means of a mutant strain of Streptomyces that proliferates in a culture medium that may be free of xylose. The xylose (dextrose) isomerase enzyme is therefore constitutive rather than induced.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: May 18, 1976
    Assignee: CPC International Inc.
    Inventors: Frederick C. Armbruster, Robert E. Heady, Robert P. Cory
  • Process for the enzymatic isomerization of dextrose to levulose
    Patent number: RE29152
    Abstract: Process for the production of xylose (dextrose) isomerase by means of a mutant strain of Streptomyces that proliferates in a culture medium that may be free of xylose. The xylose (dextrose) isomerase enzyme is therefore constitutive rather than induced.
    Type: Grant
    Filed: April 16, 1976
    Date of Patent: March 15, 1977
    Assignee: CPC International Inc.
    Inventors: Frederick C. Armbruster, Robert E. Heady, Robert P. Cory, deceased, by Cynthia S. Cory, a/k/a Cynthia S. Timmerman, executrix