3632856

Information

• Patent Grant
• 3632856

• References
• Source

• Patent Number

  3,632,856

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1972
  53 years ago

• CPC

  • C07C47/52 - Compounds having -CHO groups bound to carbon atoms of six-membered aromatic rings
  • C07C63/00 - Compounds having carboxyl groups bound to a carbon atom of six-membered aromatic rings
  • C07C67/08 - by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
  • C07C67/58 - by liquid-liquid treatment
  • C07C67/60 - by treatment giving rise to chemical modification

• US Classifications

  • 560 - Organic compounds