3637781

Information

• Patent Grant
• 3637781

• References
• Source

• Patent Number

  3,637,781

• Date Filed

  Not available

• Date Issued

  Tuesday, January 25, 1972
  53 years ago

• CPC

  • C07F7/20 - Purification, separation
  • C07F7/121 - Preparation or treatment not provided for in C07F7/14, C07F7/16 or C07F7/20

• US Classifications

  • 556 - Organic compounds
  • 203 - Distillation: processes, separatory