Patents by Inventor Michael Irwin Hill

Michael Irwin Hill 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).

  • Patent number: 7119051
    Abstract: The invention relates to novel method of incorporating free fatty acid into soap-based bars to minimize or eliminate efflorescence and to compositions made by the process.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: October 10, 2006
    Assignee: Unilever Home & Personal Care, USA division of Conopco, Inc.
    Inventors: Terence James Farrell, Michael Irwin Hill