2797214

Information

• Patent Grant
• 2797214

• References
• Source

• Patent Number

  2,797,214

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1957
  67 years ago

• CPC

  • C09B45/38 - Preparation from compounds with -OH and -COOH adjacent in the same ring or in peri position
  • C09B33/28 - Tetrazo dyes of the type A->B->K<-C<-D
  • C09B45/24 - Disazo or polyazo compounds
  • C09B45/42 - Copper compounds

• US Classifications

  • 534 - Organic compounds