3684425

Information

• Patent Grant
• 3684425

• References
• Source

• Patent Number

  3,684,425

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1972
  52 years ago

• CPC

  • C09B43/14 - with phosgene or thiophosgene
  • D21H21/28 - Colorants; Pigments or opacifying agents
  • Y10S8/919 - Paper
  • Y10S8/937 - Li ion in dye bath

• US Classifications

  • 008 - Bleaching and dyeing