1549214

Information

• Patent Grant
• 1549214

• References
• Source

• Patent Number

  1,549,214

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1925
  99 years ago

• CPC

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

• US Classifications

  • 534 - Organic compounds