Patents by Inventor Daniel R. Pyles

Daniel R. Pyles 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: 5576279
    Abstract: A conditioning shampoo containing an anionic surfactant, a long-chain fatty alcohol, and a cationic polyethyleneimine, has extended product stability, excellent cleansing and foaming properties, and provides excellent and improved overall conditioning to human hair, particularly superior wet and dry combing properties.
    Type: Grant
    Filed: October 3, 1995
    Date of Patent: November 19, 1996
    Assignee: Helene Curtis, Inc.
    Inventor: Daniel R. Pyles