Patents by Inventor Hoang D. Vu

Hoang D. Vu 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).

  • Hair care compositions
    Patent number: 4842850
    Abstract: Shampoo compositions which give both improved style retention and hair conditioning properties are disclosed herein. The compositions comprise from about 0.01% to about 10% of a rigid silicone polymer premixed with a concentrated alkyl glyceryl sulfonate paste.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: June 27, 1989
    Assignee: The Procter & Gamble Company
    Inventor: Hoang D. Vu