2137237

Information

• Patent Grant
• 2137237

• References
• Source

• Patent Number

  2,137,237

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1938
  85 years ago

• CPC

  • C07F9/746 - Compounds with chains of As

• US Classifications

  • 556 - Organic compounds
  • 987 - Organic compounds containing a bi, sb, as, or p atom or containing a metal atom of the 6th to 8th group of the periodic system