using acid dyes

Patents Grantslast 30 patents

  • Information Patent Grant

    Cutting and double-face leather integrated dyeing process for tan s...

    • Patent number 9,683,327
    • Issue date Jun 20, 2017
    • Ningxia Wuzhong Jingyi Fur-Products Co., LTD.
    • Weining Ma
    • C14 - SKINS HIDES PELTS LEATHER
  • Information Patent Grant

    Mixtures of sulfo-containing 1:2 metal complexes with vinyl polymers

    • Patent number 5,910,623
    • Issue date Jun 8, 1999
    • BASF Aktiengesellschaft
    • Knut Kessel
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Process for the trichromatic dyeing of leather

    • Patent number 4,799,933
    • Issue date Jan 24, 1989
    • Ciba-Geigy Corporation
    • Fabio Beffa
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Use of 1:2 cobalt complex dyes for dyeing leather or furs

    • Patent number 4,519,802
    • Issue date May 28, 1985
    • Ciba-Geigy Corporation
    • Alois Puntener
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Process for dyeing skins and furs

    • Patent number 3,972,675
    • Issue date Aug 3, 1976
    • Ciba-Geigy AG
    • Max Schwank
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3486263

    • Patent number 3,486,263
    • Issue date Dec 30, 1969
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3168441

    • Patent number 3,168,441
    • Issue date Feb 2, 1965
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    2890094

    • Patent number 2,890,094
    • Issue date Jun 9, 1959
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    2336221

    • Patent number 2,336,221
    • Issue date Dec 7, 1943
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...