3148933

Information

• Patent Grant
• 3148933

• References
• Source

• Patent Number

  3,148,933

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1964
  60 years ago

• CPC

  • C09B62/84 - Porphines Azaporphines
  • Y10S8/918 - Cellulose textile

• US Classifications

  • 008 - Bleaching and dyeing
  • 540 - Organic compounds