3301844

Information

• Patent Grant
• 3301844

• References
• Source

• Patent Number

  3,301,844

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1967
  57 years ago

• CPC

  • C09B33/16 - from other coupling components
  • C09B50/00 - Formazane dyes Tetrazolium dyes

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing