Patents by Inventor Nancy L. Bycroft

Nancy L. Bycroft 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).

  • Synergistic antimicrobial compositions
    Patent number: 5043176
    Abstract: The invention discloses an antimicrobial composition composed of an antimicrobial polypeptide and a hypothiocyanate component. Synergistic activity is seen when the composition is applied at between about 30 and 40 degrees Centigrade at a pH between about 3 and about 5. The composition is useful against gram negative bacteria such as Salmonella. A preferred composition is nisin, lactoperoxidase, thiocyanate and hydrogen peroxide. Such a composition is capable of reducing the viable cell count of Salmonella by greater than 6 logs in 10 to 20 minutes.
    Type: Grant
    Filed: June 13, 1990
    Date of Patent: August 27, 1991
    Assignee: Haarmann & Reimer Corp.
    Inventors: Nancy L. Bycroft, Graham S. Byng, Stephen R. Good
  • Detergent formulations containing alkaline lipase derived from Pseudomonas plantarii
    Patent number: 4950417
    Abstract: Disclosed is a detergent formulation containing a nonionic and/or anionic detergent and the microbial lipase from a bacterium of the species Pseudomonas plantarii.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: August 21, 1990
    Assignee: Miles Inc.
    Inventors: Nancy L. Bycroft, Graham S. Byng