3772221

Information

• Patent Grant
• 3772221

• References
• Source

• Patent Number

  3,772,221

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • C08G18/6677 - having at least three hydroxy groups
  • C08G18/163 - covered by C08G18/18 and C08G18/22
  • C08G18/1858 - having carbon-to-nitrogen double bonds
  • C08G18/222 - metal compounds not provided for in groups C08G18/225 - C08G18/26
  • C08G18/6688 - with compounds of group C08G18/3271
  • C08G18/8006 - with compounds of C08G18/32
  • C08G2101/0058 - > 50 and < 150 kg/m
  • C08G2101/0066 - > 150 Kg/m including micro-cellular foams
  • C08G2350/00 - Acoustic or vibration damping material
  • Y10S521/914 - Polyurethane cellular product formed from a polyol which has been derived from at least two 1,2 epoxides as reactants
  • Y10S528/903 - Polymerizing or processing an isocyanate under substantially anhydrous conditions
  • Y10T428/249979 - Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
  • Y10T428/249989 - Integrally formed skin

• US Classifications

  • 521 - Synthetic resins or natural rubbers
  • 428 - Stock material or miscellaneous articles
  • 528 - Synthetic resins or natural rubbers