YI HSIN CHANG

Person

  • SANTA ANA, CA, US

Patents Applicationslast 30 patents

  • Information Patent Application

    Stabilized ascorbic acid composition

    • Publication number 20020136771
    • Publication date Sep 26, 2002
    • AMITEE COSMETICS, INC.
    • James Parr
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    STABILIZED ASCORBIC COMPOSITION

    • Publication number 20020034548
    • Publication date Mar 21, 2002
    • JAMES PARR
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE