839590

Information

• Patent Grant
• 839590

• References
• Source

• Patent Number

  839,590

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1906
  118 years ago

• CPC

  • C09B11/16 - Preparation from diarylketones or diarylcarbinols

• US Classifications

  • 552 - Organic compounds
  • 008 - Bleaching and dyeing