3644458

Information

• Patent Grant
• 3644458

• References
• Source

• Patent Number

  3,644,458

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • C07C265/04 - of a saturated carbon skeleton
  • C07C263/08 - from or via heterocyclic compounds
  • C07C265/06 - of an unsaturated carbon skeleton
  • C07C265/08 - the carbon skeleton containing rings
  • C07C265/10 - having isocyanate groups bound to carbon atoms of rings other than six-membered aromatic rings
  • C07D205/12 - condensed with carbocyclic rings or ring systems
  • C07C2101/14 - The ring being saturated

• US Classifications

  • 560 - Organic compounds
  • 204 - Chemistry: electrical and wave energy
  • 540 - Organic compounds
  • 548 - Organic compounds