3621008

Information

• Patent Grant
• 3621008

• References
• Source

• Patent Number

  3,621,008

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • C09B43/14 - with phosgene or thiophosgene
  • C09B69/02 - Dyestuff salts
  • D21H21/28 - Colorants; Pigments or opacifying agents
  • Y10S8/918 - Cellulose textile
  • Y10S8/919 - Paper

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing