Patents Assigned to Laboratoires Phytocos
  • Acylamino acids
    Patent number: 5504228
    Abstract: The invention relates to new acylamino acids obtained by acylation of hydrolysates of proteins containing, essentially, fibroin and sericin as, for instance, silk.The invention provides also various compositions containing the said acylamino acids, for use in the cosmetic, hygienic, therapeutic and agricultural fields.
    Type: Grant
    Filed: December 7, 1993
    Date of Patent: April 2, 1996
    Assignee: Laboratoires Phytocos
    Inventors: Jean Morelle, Eliane Lauzanne, Jacqueline Rothfuss