2357977

Information

• Patent Grant
• 2357977

• References
• Source

• Patent Number

  2,357,977

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1944
  80 years ago

• CPC

  • C09B31/025 - containing acid groups
  • C09B35/027 - in which the coupling component is a hydroxy-amino compound
  • C09B39/00 - Other azo dyes prepared by diazotising and coupling

• US Classifications

  • 534 - Organic compounds