Patents by Inventor William J. Colonna

William J. Colonna 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).

  • Process for isomerizing L-mannose to L-fructose
    Patent number: 4492755
    Abstract: Process for preparing L-fructose from L-mannose by contacting L-mannose with L-mannose isomerase produced by a mutant microorganism selected from the group consisting of the genera Escherichia, Lactobacillus, and Klebsiella cultivated in the absence of an inducing sugar.
    Type: Grant
    Filed: June 30, 1982
    Date of Patent: January 8, 1985
    Assignee: Nabisco Brands, Inc.
    Inventors: Robert O. Horwath, William J. Colonna
  • Process for oxidizing L-sorbitol to L-fructose
    Patent number: 4467033
    Abstract: Process for preparing L-fructose from L-sorbitol by contacting L-sorbitol with D-iditol dehydrogenase produced by a mutant microorganism of the genus Pseudomonas cultivated in the absence of an inducing polyol.
    Type: Grant
    Filed: June 30, 1982
    Date of Patent: August 21, 1984
    Assignee: Nabisco Brands, Inc.
    Inventors: Robert O. Horwath, William J. Colonna
  • Process for isomerizing L-glucose to L-fructose
    Patent number: 4463093
    Abstract: Process for preparing L-fructose from L-glucose by contacting L-glucose with xylose isomerase produced by a microorganism of the genus Candida.
    Type: Grant
    Filed: June 30, 1982
    Date of Patent: July 31, 1984
    Assignee: Nabisco Brands, Inc.
    Inventors: Robert O. Horwath, William J. Colonna
  • Process for preparing L-glucosone
    Patent number: 4440855
    Abstract: Process for preparing L-glucosone from L-glucose by contacting L-glucose with glucose-2-oxidase derived from a microorganism selected from the group consisting of the genera Polyporus, Aspergillus, Oudemansiella, Radulum, Lenzites, Irpex, Pellicularia, Armillaria, Schizophyllum, and Corticium.
    Type: Grant
    Filed: June 30, 1982
    Date of Patent: April 3, 1984
    Assignee: Nabisco Brands, Inc.
    Inventors: Robert O. Horwath, William J. Colonna