Patents by Inventor Diane Leon-Pekarek

Diane Leon-Pekarek 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 makeup products
    Patent number: 4336246
    Abstract: A cosmetic product such as a hair makeup product comprising a waxy base, one or more color additives, a volatile solvent, and a film-forming resin composition comprising pentaerythritol rosinate in combination with either ethyl hydroxyethyl cellulose or a polyvinyl alkyl ether or mixtures thereof.
    Type: Grant
    Filed: April 3, 1980
    Date of Patent: June 22, 1982
    Assignee: Avon Products, Inc.
    Inventor: Diane Leon-Pekarek