1957459

Information

• Patent Grant
• 1957459

• References
• Source

• Patent Number

  1,957,459

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1934
  90 years ago

• CPC

  • C07C49/76 - Ketones containing a keto group bound to a six-membered aromatic ring
  • C09B3/12 - Dibenzanthronyls

• US Classifications

  • 552 - Organic compounds
  • 548 - Organic compounds