1843634

Information

• Patent Grant
• 1843634

• References
• Source

• Patent Number

  1,843,634

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1932
  93 years ago

• CPC

  • C09B45/26 - containing chromium
  • C09B33/22 - Trisazo dyes of the type A->B->K<-C
  • C09B45/24 - Disazo or polyazo compounds
  • C09B45/28 - containing copper

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing