3370064

Information

• Patent Grant
• 3370064

• References
• Source

• Patent Number

  3,370,064

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1968
  57 years ago

• CPC

  • C07D261/14 - Nitrogen atoms
  • A01N43/80 - five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
  • C07D261/04 - having one double bond between ring members or between a ring member and a non-ring member
  • C09B31/147 - Pyrazoles
  • C09B41/00 - Special methods of performing the coupling reaction
  • C09B43/00 - Preparation of azo dyes from other azo compounds

• US Classifications

  • 548 - Organic compounds
  • 534 - Organic compounds