3862116

Information

• Patent Grant
• 3862116

• References
• Source

• Patent Number

  3,862,116

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1975
  49 years ago

• CPC

  • D21H21/28 - Colorants; Pigments or opacifying agents
  • A23K20/111 - Aromatic compounds
  • C07C281/18 - the other nitrogen atom being further doubly-bound to a carbon atom
  • C09B29/3669 - from a pyrimidine ring
  • C09B69/02 - Dyestuff salts
  • Y10S8/919 - Paper

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing
  • 544 - Organic compounds
  • 548 - Organic compounds