2861985

Information

• Patent Grant
• 2861985

• References
• Source

• Patent Number

  2,861,985

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1958
  66 years ago

• CPC

  • C09B35/28 - the tetrazo component containing two aryl nuclei linked by at least one of the groups -CON<, -SO2N<, -SO2-, or -SO2-O-
  • C09B31/025 - containing acid groups
  • C09B43/132 - having the carboxylic group directly attached to an aromatic carbocyclic ring
  • C09B45/24 - Disazo or polyazo compounds

• US Classifications

  • 534 - Organic compounds