Patents by Inventor David Michael Mousdale

David Michael Mousdale 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 the fermentative preparation of clavam derivatives whereby the levels of ammonia and urea in the fermentation medium are kept low
    Patent number: 6235506
    Abstract: Improved methods for the preparation of clavams by fermentation of a clavam-producing organism in a suitable medium wherein the ammonium levels are kept low so as to avoid repression of enzymes, particularly urease, are disclosed.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: May 22, 2001
    Assignee: SmithKline Beecham, p.l.c.
    Inventors: Brian Peter Valentine, Paul Alan Jeffkins, William Henry Holms, David Michael Mousdale
  • Process for the fermentative preparation of clavam derivatives whereby the levels of ammonia and urea in the fermentation medium are kept low
    Patent number: 5985624
    Abstract: Improved methods for the preparation of clavams by fermentation of a clavam-producing organism in a suitable medium wherein the ammonium levels are kept low so as to avoid repression of enzymes, particularly urease, are disclosed.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: November 16, 1999
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Brian Peter Valentine, Paul Alan Jeffkins, William Henry Holms, David Michael Mousdale
  • Process for producing clavulanic acid
    Patent number: 5869299
    Abstract: A process for preparing clavulanic acid and other clavam derivatives using an enzyme system from Streptomyces, particularly S. Clavuligerus.
    Type: Grant
    Filed: August 25, 1995
    Date of Patent: February 9, 1999
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Keith Howard Baggaley, Neville Hubert Nicholson, Stephen William Elson, Jeffrey Edwards, Alison Jane Earl, William Henry Holms, David Michael Mousdale, Jack Edward Baldwin, Christopher Schofield