Patents Assigned to Biomatrix Incorporated
  • Polymer mixtures useful in skin care
    Patent number: 5153174
    Abstract: Binary polymer mixtures of albumin and glycosaminoglycan and ternary polymer mixtures of polyionic polypeptide and high molecular weight and highly charged polyanions are useful for managing skin including wrinkles or other irregularities. Aqueous compositions of the ternary mixtures have pH dependent phase change properties and provide skin activated films.
    Type: Grant
    Filed: October 30, 1989
    Date of Patent: October 6, 1992
    Assignees: Union Carbide Chemicals & Plastics Inc., Biomatrix Incorporated
    Inventors: Philip A. Band, Arminda G. Barbone, Errol D. Goddard, Adolf Leshchiner, Emmett M. Partain, III, Joseph P. Pavlichko