3860621

Information

• Patent Grant
• 3860621

• References
• Source

• Patent Number

  3,860,621

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1975
  50 years ago

• CPC

  • C09B11/20 - Preparation from other triarylmethane derivatives
  • C09B11/10 - Amino derivatives of triarylmethanes
  • C09B69/06 - of cationic dyes with organic acids or with inorganic complex acids

• US Classifications

  • 552 - Organic compounds