3897446

Information

• Patent Grant
• 3897446

• References
• Source

• Patent Number

  3,897,446

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1975
  50 years ago

• CPC

  • C07D513/04 - Ortho-condensed systems
  • C07D243/22 - Sulfur atoms

• US Classifications

  • 540 - Organic compounds