using vat or sulfur dyes

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for dyeing animal textile fibers comprising the use of puri...

    • Patent number 11,891,757
    • Issue date Feb 6, 2024
    • Vebachem S.R.L.S.
    • Nerio Bazzano
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2904385

    • Patent number 2,904,385
    • Issue date Sep 15, 1959
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    2857235

    • Patent number 2,857,235
    • Issue date Oct 21, 1958
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2508203

    • Patent number 2,508,203
    • Issue date May 16, 1950
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2297701

    • Patent number 2,297,701
    • Issue date Oct 6, 1942
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2122100

    • Patent number 2,122,100
    • Issue date Jun 28, 1938
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents