2803630

Information

• Patent Grant
• 2803630

• References
• Source

• Patent Number

  2,803,630

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1957
  67 years ago

• CPC

  • C09B9/02 - of anthracene dyes

• US Classifications

  • 546 - Organic compounds
  • 548 - Organic compounds
  • 552 - Organic compounds