1972605

Information

• Patent Grant
• 1972605

• References
• Source

• Patent Number

  1,972,605

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1934
  90 years ago

• CPC

  • C07C41/16 - by reaction of esters of mineral or organic acids with hydroxy or O-metal groups
  • C07C43/267 - containing other rings
  • C07C2101/16 - The ring being unsaturated

• US Classifications

  • 568 - Organic compounds