2894977

Information

• Patent Grant
• 2894977

• References
• Source

• Patent Number

  2,894,977

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1959
  65 years ago

• CPC

  • C07C205/44 - the carbon skeleton being further substituted by -CHO groups
  • C07C201/12 - by reactions not involving the formation of nitro groups
  • C07C227/16 - by reactions not involving the amino or carboxyl groups
  • C07C227/20 - by hydrolysis of N-acylated amino-acids or derivatives thereof
  • C07C227/40 - Separation Purification
  • C07C227/42 - Crystallisation
  • C07C231/10 - from compounds not provided for in groups C07C231/02 - C07C231/08
  • C07C231/12 - by reactions not involving the formation of carboxamide groups
  • C07C233/47 - having the carbon atom of the carboxamide group bound to a hydrogen atom or to a carbon atom of an acyclic saturated carbon skeleton
  • C07C233/87 - of a carbon skeleton containing six-membered aromatic rings
  • C07D263/40 - attached in position 4

• US Classifications

  • 560 - Organic compounds
  • 534 - Organic compounds
  • 548 - Organic compounds
  • 554 - Organic compounds
  • 562 - Organic compounds
  • 568 - Organic compounds