3893979

Information

• Patent Grant
• 3893979

• References
• Source

• Patent Number

  3,893,979

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • D06M15/564 - Polyureas, polyurethanes or other polymers having ureide or urethane links Precondensation products forming them
  • C07D233/72 - Two oxygen atoms
  • C08G18/506 - containing two nitrogen atoms in the ring
  • C08G18/71 - Monoisocyanates or monoisothiocyanates
  • C08G65/08 - Saturated oxiranes
  • C08G65/26 - from cyclic ethers and other compounds
  • C08K5/3445 - Five-membered rings
  • Y10S524/913 - Contains nitrogen nonreactant material
  • Y10S525/908 - Polymer containing a hydantoin group
  • Y10S528/906 - Fiber or elastomer prepared from an isocyanate reactant

• US Classifications

  • 528 - Synthetic resins or natural rubbers
  • 524 - Synthetic resins or natural rubbers
  • 525 - Synthetic resins or natural rubbers
  • 548 - Organic compounds