3708440

Information

• Patent Grant
• 3708440

• References
• Source

• Patent Number

  3,708,440

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1973
  52 years ago

• CPC

  • C08J11/24 - containing hydroxyl groups
  • C08G18/1808 - having alkylene polyamine groups
  • C08G18/1825 - having hydroxy or primary amino groups
  • C08G18/1858 - having carbon-to-nitrogen double bonds
  • C08G18/3878 - having phosphorus
  • C08G18/4607 - having halogens
  • C08G18/4615 - containing nitrogen
  • C08G18/5024 - containing primary and/or secondary amino groups
  • C08G18/6677 - having at least three hydroxy groups
  • C08G18/7664 - containing alkylene polyphenyl groups
  • C08J9/147 - containing carbon and halogen atoms only
  • C08G2101/00 - Foams
  • C08G2101/0025 - rigid
  • C08G2105/02 - to isocyanurate groups
  • C08J2201/022 - premixing or pre-blending a part of the components of a foamable composition
  • C08J2203/144 - Perhalogenated saturated hydrocarbons
  • C08J2375/04 - Polyurethanes
  • Y02W30/706 - by treatment with organic material

• US Classifications

  • 521 - Synthetic resins or natural rubbers
  • 525 - Synthetic resins or natural rubbers