3287390

Information

• Patent Grant
• 3287390

• References
• Source

• Patent Number

  3,287,390

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1966
  58 years ago

• CPC

  • C07C275/26 - having nitrogen atoms of urea groups bound to carbon atoms of rings other than six-membered aromatic rings
  • C07C45/64 - by introduction of functional groups containing oxygen only in singly bound form
  • C07C49/493 - a keto group being part of a three- to five-membered ring
  • C07C309/00 - Sulfonic acids Halides, esters, or anhydrides thereof
  • C07C2101/04 - with a four-membered ring

• US Classifications

  • 558 - Organic compounds
  • 560 - Organic compounds
  • 562 - Organic compounds
  • 564 - Organic compounds
  • 568 - Organic compounds