2870136

Information

• Patent Grant
• 2870136

• References
• Source

• Patent Number

  2,870,136

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1959
  65 years ago

• CPC

  • C09B45/48 - Preparation from other complex metal compounds of azo dyes
  • C09B31/22 - from a coupling component "D" containing directive hydroxyl and amino groups
  • C09B35/362 - D is benzene
  • C09B45/24 - Disazo or polyazo compounds
  • C09B45/32 - containing other metals

• US Classifications

  • 534 - Organic compounds