2620349

Information

• Patent Grant
• 2620349

• References
• Source

• Patent Number

  2,620,349

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1952
  72 years ago

• CPC

  • C08G18/089 - Reaction retarding agents
  • C08G18/4208 - containing aromatic groups
  • C08G18/70 - characterised by the isocyanates or isothiocyanates used
  • C08G18/771 - oxygen
  • C08G18/773 - halogens
  • C08G18/775 - sulfur
  • C08G18/7868 - containing nitro groups
  • Y10S220/902 - Foam

• US Classifications

  • 560 - Organic compounds
  • 220 - Receptacles
  • 521 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers