3690947

Information

• Patent Grant
• 3690947

• References
• Source

• Patent Number

  3,690,947

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1972
  52 years ago

• CPC

  • C07D231/06 - having one double bond between ring members or between ring members and non-ring members
  • D06L3/1278 - Fixing treatments in optical brightening
  • D06M13/35 - Heterocyclic compounds

• US Classifications

  • 427 - Coating processes
  • 252 - Compositions
  • 548 - Organic compounds