1970643

Information

• Patent Grant
• 1970643

• References
• Source

• Patent Number

  1,970,643

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1934
  90 years ago

• CPC

  • C07C47/52 - Compounds having -CHO groups bound to carbon atoms of six-membered aromatic rings

• US Classifications

  • 552 - Organic compounds