3420821

Information

• Patent Grant
• 3420821

• References
• Source

• Patent Number

  3,420,821

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  56 years ago

• CPC

  • C07D251/68 - Triazinylamino stilbenes
  • D06L3/12 - Optical bleaching brightening
  • D06L3/1278 - Fixing treatments in optical brightening

• US Classifications

  • 544 - Organic compounds
  • 252 - Compositions