3671638

Information

• Patent Grant
• 3671638

• References
• Source

• Patent Number

  3,671,638

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1972
  52 years ago

• CPC

  • C07C275/28 - having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
  • C07C2101/04 - with a four-membered ring
  • C07C2101/08 - The ring being saturated
  • C07C2101/14 - The ring being saturated
  • C07C2101/18 - with a ring being at least seven-membered
  • C07C2102/46 - The bicyclo ring system contains nine carbon atoms
  • C07C2103/70 - containing only six-membered rings
  • C07C2103/74 - Adamantanes

• US Classifications

  • 514 - Drug, bio-affecting and body treating compositions