1829673

Information

• Patent Grant
• 1829673

• References
• Source

• Patent Number

  1,829,673

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1931
  93 years ago

• CPC

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

• US Classifications

  • 534 - Organic compounds