Patents by Inventor Devendra C. Bhatt

Devendra C. Bhatt 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).

  • Aerosol hair styling aid
    Patent number: 5286477
    Abstract: An aqueous aerosol hair spray styling aid composition and method including a terpolymer of vinylpyrrolidone/ethyl methacrylate/methacrylic acid (at least partially neutralized 30-1004) monomers in an amount of about 1% to about 124 by weight of the composition, particularly about 2% to about 10% by weight of the composition; water in an amount of about 20% to about 804 by weight of the composition; and a dimethyl ether liquefied propellant gas in an amount of about 25% to about 40% based on the total weight of the aerosol composition.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: February 15, 1994
    Assignee: Helene Curtis, Inc.
    Inventors: Devendra C. Bhatt, Kathleen A. Kochevar