3687964

Information

• Patent Grant
• 3687964

• References
• Source

• Patent Number

  3,687,964

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • C09B62/343 - to a five membered ring

• US Classifications

  • 548 - Organic compounds
  • 540 - Organic compounds