1670990

Information

• Patent Grant
• 1670990

• References
• Source

• Patent Number

  1,670,990

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1928
  96 years ago

• CPC

  • C07C225/12 - with doubly-bound oxygen atoms bound to carbon atoms being part of rings
  • C07C2102/42 - The bicyclo ring system contains seven carbon atoms

• US Classifications

  • 564 - Organic compounds