Patents by Inventor William Feil

William Feil 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 skin washing compositions
    Patent number: 6147120
    Abstract: A synergistic composition and a synergistic system for use in treating the skin and hair of people and animals comprises separate treatment compositions (solution, dispersions, emulsions, suspensions or other liquid or liquefiable materials). One treatment with a first composition that may comprise at least 0.1% by weight of antimicrobially active aliphatic phenol derivative and treatment with another composition being selected from the group consisting of:a) a solution comprising an antimicrobially active cationic species;b) a comprising antimicrobially active aliphatic phenol derivative, preferably in a different weight percentage of antimicrobially active aliphatic phenol derivative than said one composition, comprising greater than 0.3% antimicrobially active aliphatic phenol derivative;c) a solution comprising an alcohol provides a synergistic antimicrobial action.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: November 14, 2000
    Assignee: Ecolab Inc.
    Inventors: Sally K. Swart, John Hilgren, William Feil, Mary Bennett