2856396

Information

• Patent Grant
• 2856396

• References
• Source

• Patent Number

  2,856,396

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1958
  66 years ago

• CPC

  • C09B31/157 - Quinolines or hydrogenated quinolines
  • C09B31/14 - Heterocyclic components
  • C09B31/28 - Heterocyclic compounds
  • C09B35/08 - the tetrazo component being a derivative of biphenyl
  • C09B35/366 - D is diphenyl
  • C09B35/463 - D being derived from diaminodiphenyl
  • C09B39/00 - Other azo dyes prepared by diazotising and coupling
  • C09B45/24 - Disazo or polyazo compounds
  • C09B45/28 - containing copper

• US Classifications

  • 534 - Organic compounds
  • 546 - Organic compounds