2735853

Information

• Patent Grant
• 2735853

• References
• Source

• Patent Number

  2,735,853

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1956
  68 years ago

• CPC

  • C09B7/06 - Indone-thionapthene indigos
  • C07D333/64 - Oxygen atoms
  • C09B7/10 - Bis-thionapthene indigos
  • C09B7/12 - Other thionaphthene indigos

• US Classifications

  • 549 - Organic compounds
  • 008 - Bleaching and dyeing
  • 548 - Organic compounds
  • 562 - Organic compounds