3535347

Information

• Patent Grant
• 3535347

• References
• Source

• Patent Number

  3,535,347

• Date Filed

  Not available

• Date Issued

  Tuesday, October 20, 1970
  54 years ago

• CPC

  • C09B11/14 - Preparation from aromatic aldehydes, aromatic carboxylic acids or derivatives thereof and aromatic amines
  • C09B11/12 - without any OH group bound to an aryl nucleus
  • C09B11/16 - Preparation from diarylketones or diarylcarbinols
  • C09B11/20 - Preparation from other triarylmethane derivatives
  • C09B11/22 - containing OH groups bound to an aryl nucleus and their ethers and esters
  • C09B39/00 - Other azo dyes prepared by diazotising and coupling

• US Classifications

  • 552 - Organic compounds