Patents Assigned to Tristrata Technology
  • Method of using gulonic acid or gulonolactone for treating wrinkles
    Patent number: 5654340
    Abstract: Methods for visibly reducing a skin wrinkle and for reversing the effect of aging on human facial skin involving comprising topically applying to the wrinkle and/or affected facial skin gulonic acid or gulonolactone.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 5, 1997
    Assignee: Tristrata Technology
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Method of using 3-phenyllactic acid for treating wrinkles
    Patent number: 5643953
    Abstract: Methods for visibly reducing a skin wrinkle and for reversing the effect of aging on human facial skin involving comprising topically applying to the wrinkle and/or affected facial skin 3-phenyllactic acid.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 1, 1997
    Assignee: Tristrata Technology
    Inventors: Ruey J. Yu, Eugene J. Van Scott