2927917

Information

• Patent Grant
• 2927917

• References
• Source

• Patent Number

  2,927,917

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1960
  64 years ago

• CPC

  • C09B35/00 - Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
  • C09B35/08 - the tetrazo component being a derivative of biphenyl
  • C09B35/463 - D being derived from diaminodiphenyl
  • C09B45/28 - containing copper

• US Classifications

  • 534 - Organic compounds