3737437

Information

• Patent Grant
• 3737437

• References
• Source

• Patent Number

  3,737,437

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1973
  51 years ago

• CPC

  • C09B62/517 - Porphines Azaporphines

• US Classifications

  • 540 - Organic compounds
  • 008 - Bleaching and dyeing
  • 558 - Organic compounds
  • 564 - Organic compounds