Patents by Inventor David Djerassi

David Djerassi 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).

  • Publication number: 20040202684
    Abstract: A kit and method for consumer preparation of customized and personalized topical cosmetic products which contain a mixing vessel and separate component systems, each of said component systems being different and when blended in the mixing vessel form a cosmetic which, if desired, can be blended with natural food or beverage materials and can be applied from the mixing vessel with or without the natural material blend to the human body.
    Type: Application
    Filed: April 8, 2003
    Publication date: October 14, 2004
    Inventor: David Djerassi
  • Publication number: 20020131939
    Abstract: A hair care composition is provided. This hair care composition includes (a) about 0.01% (wt) to about 2.5% (wt) of a UV-A filter; (b) about 0.01% (wt) to about 10% (wt) of a UV-B filter; and (c) about 0.01% (wt) to about 2.5% (wt) of phytantriol. Methods of making and using such compositions are also provided.
    Type: Application
    Filed: January 9, 2002
    Publication date: September 19, 2002
    Applicant: ROCHE VITAMINS INC.
    Inventors: David Djerassi, Alan Martin Marks
  • Patent number: 4760095
    Abstract: Fatty acid esters of .alpha.-tocopherol and mixtures thereof which provide a moisturizing composition for topical application and their use in cosmetic preparations.
    Type: Grant
    Filed: January 28, 1986
    Date of Patent: July 26, 1988
    Assignee: Hoffmann-La Roche, Inc.
    Inventors: David Djerassi, Errol S. Schnurman