3497493

Information

• Patent Grant
• 3497493

• References
• Source

• Patent Number

  3,497,493

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1970
  55 years ago

• CPC

  • C09B50/10 - Cationic formazan dyes

• US Classifications

  • 534 - Organic compounds
  • 524 - Synthetic resins or natural rubbers
  • 544 - Organic compounds
  • 564 - Organic compounds