2199786

Information

• Patent Grant
• 2199786

• References
• Source

• Patent Number

  2,199,786

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1940
  84 years ago

• CPC

  • C07C37/86 - by treatment giving rise to a chemical modification
  • C07C37/009 - from waste water
  • C07C37/72 - by liquid-liquid treatment

• US Classifications

  • 568 - Organic compounds