2127678

Information

• Patent Grant
• 2127678

• References
• Source

• Patent Number

  2,127,678

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1938
  86 years ago

• CPC

  • C09B33/26 - Tetrazo dyes of the type A->B->C->K<-D
  • C09B45/28 - containing copper

• US Classifications

  • 534 - Organic compounds