1892241

Information

• Patent Grant
• 1892241

• References
• Source

• Patent Number

  1,892,241

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1932
  92 years ago

• CPC

  • C09B5/62 - Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series
  • C09B5/022 - not provided for in one of the sub groups C09B5/04 - C09B5/20

• US Classifications

  • 546 - Organic compounds