2308640

Information

• Patent Grant
• 2308640

• References
• Source

• Patent Number

  2,308,640

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1943
  82 years ago

• CPC

  • C09B45/48 - Preparation from other complex metal compounds of azo dyes
  • C07F9/74 - Aromatic compounds
  • C09B43/128 - Aliphatic, cycloaliphatic or araliphatic acids

• US Classifications

  • 534 - Organic compounds
  • 556 - Organic compounds
  • 562 - Organic compounds
  • 564 - Organic compounds