Patents Assigned to American Frometics, Inc.
  • Process for prolonging the shelf life of cosmetics
    Patent number: 4416901
    Abstract: Cosmetic products are subjected to pasteurization by heating at pasteurization temperatures, then to deep freezing at temperatures below -100.degree. C. and storage at -40.degree. C. to increase the shelf life of the products and to eliminate most of the microorganisms.
    Type: Grant
    Filed: November 30, 1981
    Date of Patent: November 22, 1983
    Assignee: American Frometics, Inc.
    Inventor: Margarete Bochskandl