3023218

Information

• Patent Grant
• 3023218

• References
• Source

• Patent Number

  3,023,218

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1962
  62 years ago

• CPC

  • C09B62/84 - Porphines Azaporphines

• US Classifications

  • 540 - Organic compounds
  • 008 - Bleaching and dyeing