Patents by Inventor Peter Philip Woodhead

Peter Philip Woodhead 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).

  • Biocidal cleaning composition comprising an onionic/nonionic/amphoteric surfactant mixture
    Patent number: 7166563
    Abstract: The present invention relates to a biocidal cleaning composition comprising a biocide, a surfactant of formula R—O—(G)n, and an amphoteric surfactant; wherein R is an alkyl group; G is a saccharide residue; and n is a number from 0–4 to 10.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: January 23, 2007
    Assignee: Selden Research Ltd.
    Inventor: Peter Philip Woodhead
  • Biocidal cleaning composition
    Publication number: 20040248760
    Abstract: The present invention relates to a biocidal cleaning composition comprising a biocide, a surfactant of formula R—O-(G)n, and an amphoteric surfactant; wherein R is an alkyl group; G is a saccharide residue; and n is a number from 0-4 to 10.
    Type: Application
    Filed: February 18, 2004
    Publication date: December 9, 2004
    Inventor: Peter Philip Woodhead