Andre R. Von Wattenwyl

Person

  • Reinach, CH

Patents Grantslast 30 patents

  • Information Patent Grant

    Natural dyestuffs for gelatine capsules

    • Patent number 4,268,265
    • Issue date May 19, 1981
    • Parke, Davis & Company
    • Andre R. Von Wattenwyl
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...