Hans W. Hammen

Person

  • Solingen, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Dust-free quinoxaline 1,4-di-N-oxides

    • Patent number 4,636,503
    • Issue date Jan 13, 1987
    • Bayer Aktiengesellschaft
    • Hans W. Hammen
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES