3506657

Information

• Patent Grant
• 3506657

• References
• Source

• Patent Number

  3,506,657

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1970
  54 years ago

• CPC

  • C07C309/46 - having the sulfo groups bound to carbon atoms of non-condensed six-membered aromatic rings
  • C07C309/32 - containing at least two non-condensed six-membered aromatic rings in the carbon skeleton
  • D06L3/12 - Optical bleaching brightening
  • Y10S8/918 - Cellulose textile

• US Classifications

  • 540 - Organic compounds
  • 008 - Bleaching and dyeing
  • 252 - Compositions
  • 544 - Organic compounds
  • 546 - Organic compounds
  • 548 - Organic compounds
  • 562 - Organic compounds