1903708

Information

• Patent Grant
• 1903708

• References
• Source

• Patent Number

  1,903,708

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1933
  91 years ago

• CPC

  • C09B1/43 - Dicarboxylic acids
  • C09B3/18 - Preparation from starting materials already containing the perylene nucleus

• US Classifications

  • 552 - Organic compounds