3528988

Information

• Patent Grant
• 3528988

• References
• Source

• Patent Number

  3,528,988

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1970
  54 years ago

• CPC

  • C07D213/06 - containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
  • C07D211/12 - with only hydrogen atoms attached to the ring nitrogen atom
  • C07D211/14 - with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom
  • C07D211/16 - with acylated ring nitrogen atom
  • C08G18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
  • C08G18/3246 - heterocyclic, the heteroatom being oxygen or nitrogen in the form of an amino group
  • C08G18/5057 - containing one nitrogen atom in the ring
  • C08G59/506 - having one nitrogen atom in the ring

• US Classifications

  • 546 - Organic compounds
  • 525 - Synthetic resins or natural rubbers
  • 526 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers
  • 549 - Organic compounds