Patents by Inventor Lorenzo Hughes

Lorenzo Hughes 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).

  • Fermentation process for the production of poly(.beta.-hydroxy butyric acid)
    Patent number: 4433053
    Abstract: Continuous fermentation of Alcaligenes micro-organisms capable of accumulating PHB under limitation of a nutrient required for growth, but not PHB accumulation, so that the PHB content is above 25% by weight. By means of this the carbon in the carbon and energy source, i.e. the substrate, is utilized more efficiently.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: February 21, 1984
    Assignee: Imperial Chemical Industries PLC
    Inventors: Lorenzo Hughes, Kenneth R. Richardson
  • Face mask
    Patent number: D959754
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: August 2, 2022
    Inventor: Lorenzo Hughes