preparing azo dyes on the material

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for dyeing human hair with diazo salts and coupling components

    • Patent number 4,165,967
    • Issue date Aug 28, 1979
    • Henkel Kommanditgesellschaft auf Aktien
    • Arthur Buhler
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3834866

    • Patent number 3,834,866
    • Issue date Sep 10, 1974
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3697216

    • Patent number 3,697,216
    • Issue date Oct 10, 1972
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2768053

    • Patent number 2,768,053
    • Issue date Oct 23, 1956
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    1723183

    • Patent number 1,723,183
    • Issue date Aug 6, 1929
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    1678580

    • Patent number 1,678,580
    • Issue date Jul 24, 1928
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents