Patents by Inventor Francoise Petit-Martenon

Francoise Petit-Martenon 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).

  • Post-depilatory composition reducing progressively the growth of body hair
    Patent number: 4370315
    Abstract: The process consists in incorporating into the preparations enzymes called lipoxygenases together with their substrate named linoleic acid.The excipients of these preparations are chosen in a way as to ensure preservation of the active agents, easy spreading and rapid cutaneous absorption.The preparations from the invention are used to progressively reduce the growth of body hair after depilation. This reduction is perceptible after several depilatory operations followed by the application of these preparations.
    Type: Grant
    Filed: February 22, 1978
    Date of Patent: January 25, 1983
    Assignee: Sederma
    Inventors: Daniel Greff, Francoise Petit-Martenon, Tran Toan