Patents by Inventor Regina A. Costa

Regina A. Costa 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).

  • Solubilizing, thickening and emulsifying cosmetic composition and process for preparation of same
    Patent number: 5437867
    Abstract: A cosmetic composition includes (a) ether alcohols conforming to the general formula C.sub.(n) H.sub.(2n+2) O.sub.(n/2), where n is an integer which ranges 4 to 12; (b) a homopolymer of acrylic acid cross-linked with an allyl ether of pentaerythritol or an allyl ether of sucrose, or copolymers of acrylic acid or acrylate derivative/acrylonitrile copolymers, or polyacrylic acid; (c) a fragrance oil or oils, or cosmetically acceptable oils or oily-type materials; and (d) water.
    Type: Grant
    Filed: March 19, 1993
    Date of Patent: August 1, 1995
    Assignee: Collaborative Laboratories
    Inventors: Thomas J. Vichroski, Regina A. Costa, James A. Hayward