1506545

Information

• Patent Grant
• 1506545

• References
• Source

• Patent Number

  1,506,545

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1924
  100 years ago

• CPC

  • C09B3/18 - Preparation from starting materials already containing the perylene nucleus

• US Classifications

  • 546 - Organic compounds
  • 549 - Organic compounds