3676441

Information

• Patent Grant
• 3676441

• References
• Source

• Patent Number

  3,676,441

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1972
  52 years ago

• CPC

  • C09B1/467 - attached to two or more anthraquinone rings
  • C09B3/00 - Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
  • C09B5/02 - the heterocyclic ring being only condensed in peri position
  • C09B5/24 - the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position

• US Classifications

  • 544 - Organic compounds
  • 504 - Plant protecting and regulating compositions