Patents by Inventor John P. Montgomery

John P. Montgomery 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).

  • Phenylalanine ammonia lyase-producing microbial cells
    Patent number: 4636466
    Abstract: This invention relates to novel microbial strains which produce phenylalanine ammonia-lyase. These novel microbial strains have the ability to grow on minimal essential media which contain, as substantially the sole carbon source, L-tyrosine. Also disclosed are methods for making phenylalanine ammonia-lyase and methods for making phenylalanine.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: January 13, 1987
    Assignee: Genex Corporation
    Inventors: Jeffrey C. McGuire, John P. Montgomery, Huei-Hsuing Yang
  • Method for stabilizing the enzymatic activity of phenylalanine ammonia lyase during L-phenylalanine production
    Patent number: 4584269
    Abstract: A method for the enzymatic conversion of t-cinnamic acid and ammonia to L-phenylalanine, using the catalyst, phenylalanine ammonia-lyase, wherein the stability and useful life of the enzyme are improved by conducting the conversion under substantially anaerobic, static conditions.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: April 22, 1986
    Assignee: Genex Corporation
    Inventors: Patricia J. Vollmer, Jeffrey J. Schruben, John P. Montgomery, Huei-Hsuing Yang