3639386

Information

• Patent Grant
• 3639386

• References
• Source

• Patent Number

  3,639,386

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  52 years ago

• CPC

  • C09B62/82 - Azo dyes

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing