Patents by Inventor John F. Roland

John F. Roland 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).

  • Bioconversion production of ascorbic acid with L-galactono-1,4-oxidase
    Patent number: 4916068
    Abstract: Processes for the bioconversion production of L-ascorbic acid (Vitamin C), and to microorganisms (e.g., Candida Norvegensis MF-56, ATCC 20686 and Candida Norvegensis MF-78, ATCC 20732) and bioconversion media which are specifically adapted for such bioconversion.
    Type: Grant
    Filed: June 18, 1985
    Date of Patent: April 10, 1990
    Assignee: Kraft, Inc.
    Inventors: John F. Roland, Theodore Cayle, Robert C. Dinwoodie, David W. Mehnert
  • Fermentation production of ascorbic acid from L-galactonic substrate
    Patent number: 4595659
    Abstract: Processes for the fermentation production of L-ascorbic acid (Vitamin C), and to microorganisms (e.g., Candida Norvegensis MF-56, ATCC 20686) and fermentation media which are specifically adapted for such fermentation.
    Type: Grant
    Filed: October 20, 1983
    Date of Patent: June 17, 1986
    Assignee: Kraft, Inc.
    Inventors: John F. Roland, Theodore Cayle, Robert C. Dinwoodie, David W. Mehnert
  • Immobilized enzyme systems
    Patent number: 4585738
    Abstract: Immobilized enzyme systems which contain a tea polyphenol-enzyme adduct and the methods for preparing and using such immobilized enzyme systems.
    Type: Grant
    Filed: September 2, 1983
    Date of Patent: April 29, 1986
    Assignee: Kraft, Inc.
    Inventor: John F. Roland
  • Debittered protein product and method for manufacture
    Patent number: 4075195
    Abstract: The present invention is directed to a method for debittering protein hydrolysates and to a debittered protein hydrolysate product. In the method, an aqueous solution of a protein hydrolysate is provided. The solution is passed through a bed of phenolic resin particles. A first portion of the solution is collected as it exits from the bed. The first portion contains a non-bitter fraction of the protein hydrolysate. After collection of the first portion of non-bitter protein hydrolysate, a second portion of the protein hydrolysate is collected as it exits from the bed. The second portion contains a bitter fraction of the protein hydrolysate.
    Type: Grant
    Filed: August 31, 1976
    Date of Patent: February 21, 1978
    Assignee: Kraft, Inc.
    Inventor: John F. Roland