2788345

Information

• Patent Grant
• 2788345

• References
• Source

• Patent Number

  2,788,345

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1957
  67 years ago

• CPC

  • C09B45/42 - Copper compounds
  • C09B35/46 - the component K being an amino naphthol
  • C09B35/62 - of the type
  • C09B43/00 - Preparation of azo dyes from other azo compounds
  • C09B45/28 - containing copper
  • C09B45/48 - Preparation from other complex metal compounds of azo dyes

• US Classifications

  • 534 - Organic compounds