using basic dyes

Patents Grantslast 30 patents

  • Information Patent Grant

    Cationic dyestuffs

    • Patent number 4,145,537
    • Issue date Mar 20, 1979
    • Bayer Aktiengesellschaft
    • Hubertus Psaar
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3629479

    • Patent number 3,629,479
    • Issue date Dec 21, 1971
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...