3691209

Information

• Patent Grant
• 3691209

• References
• Source

• Patent Number

  3,691,209

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1972
  53 years ago

• CPC

  • C09B1/20 - Preparation from starting materials already containing the anthracene nucleus
  • C09B1/06 - Preparation from starting materials already containing the anthracene nucleus

• US Classifications

  • 552 - Organic compounds
  • 008 - Bleaching and dyeing
  • 548 - Organic compounds