3574229

Information

• Patent Grant
• 3574229

• References
• Source

• Patent Number

  3,574,229

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1971
  53 years ago

• CPC

  • C09B62/68 - Porphines Azaporphines
  • C07D203/24 - Sulfur atoms

• US Classifications

  • 540 - Organic compounds