3558666

Information

• Patent Grant
• 3558666

• References
• Source

• Patent Number

  3,558,666

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1971
  54 years ago

• CPC

  • C09B62/016 - Porphines Azoporphines
  • C09B62/4418 - Porphines; Azoporphines

• US Classifications

  • 540 - Organic compounds
  • 008 - Bleaching and dyeing