2971958

Information

• Patent Grant
• 2971958

• References
• Source

• Patent Number

  2,971,958

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1961
  64 years ago

• CPC

  • C07D263/40 - attached in position 4

• US Classifications

  • 548 - Organic compounds
  • 544 - Organic compounds