Patents by Inventor Paul F. Hamlyn

Paul F. Hamlyn 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 cephalosporins
    Patent number: 4368263
    Abstract: An improved strain of Acremonium chrysogenum may be produced by submitting parent strains of Acremonium chrysogenum to protoplast fusion and nuclear fusion and selecting said improved strain from the progeny or from a mutant thereof.The improved strains have operational advantages for the production of cephalosporins compared with the parental strains.The invention also relates to a method of producing a cephalosporin by culturing the improved strain of Acremonium chrysogenum.
    Type: Grant
    Filed: April 25, 1979
    Date of Patent: January 11, 1983
    Assignee: Glaxo Group Limited
    Inventors: Christopher Ball, John S. Collins, Paul F. Hamlyn