Patents Examined by Therman K. Page
  • Antimicrobial compositions
    Patent number: 5413788
    Abstract: An antimicrobial composition for topical use or for incorporation into a coating or structural composition comprises an antimicrobial silver compound, preferably silver chloride, deposited on a physiologically inert oxidic synthetic particulate support material. A preferred support material is titania containing one or more of the crystalline forms anatase, rutile, and brookite.
    Type: Grant
    Filed: October 19, 1989
    Date of Patent: May 9, 1995
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Neil Edwards, Stephen B. Mitchell, Allin S. Pratt