Patents by Inventor Sukhvinder S. Sandhu

Sukhvinder S. Sandhu 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 conditioning shampoo containing high charge density polymers
    Patent number: 5580494
    Abstract: An aqueous hair conditioning shampoo comprising a hair-cleansing effective amount of an anionic surfactant comprising an alpha-olefin sulfonate, a hair-conditioning effective amount of a cationic polymer having a hair conditioning effect and a charge density greater than about 200, a water-insoluble hair conditioning agent and a dispersing agent which functions to stabilize the emulsion or suspension, and the remainder water.
    Type: Grant
    Filed: January 25, 1994
    Date of Patent: December 3, 1996
    Assignee: Colgate-Palmolive Company
    Inventors: Sukhvinder S. Sandhu, Clarence R. Robbins, Wei-Ming Cheng, Amrit Patel