Patents Assigned to Tristrata, Incorporated
  • Methods for improved topical delivery of lactic acid
    Patent number: 5684044
    Abstract: Methods for improved topical delivery of lactic acid comprising forming a topically acceptable composition by admixing lactic acid and an amphoteric or pseudoamphoteric agent, and applying said topically acceptable composition to the skin.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: November 4, 1997
    Assignee: Tristrata, Incorporated
    Inventors: Ruey J. Yu, Eugene J. Van Scott