3012031

Information

• Patent Grant
• 3012031

• References
• Source

• Patent Number

  3,012,031

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1961
  63 years ago

• CPC

  • C09B5/2436 - only nitrogen-containing hetero rings

• US Classifications

  • 544 - Organic compounds
  • 540 - Organic compounds
  • 552 - Organic compounds