John F. Helliwell

Person

  • Wirral, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid scouring compositions

    • Patent number 4,614,606
    • Issue date Sep 30, 1986
    • Lever Brothers Company
    • David Machin
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...