3728308

Information

• Patent Grant
• 3728308

• References
• Source

• Patent Number

  3,728,308

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1973
  51 years ago

• CPC

  • C08G18/50 - having heteroatoms other than oxygen
  • C08G18/0819 - containing anionic or anionogenic groups
  • C08G18/225 - of alkali or alkaline earth metals
  • C08G2101/0016 - semi-rigid
  • C08G2101/0025 - rigid
  • Y10S528/903 - Polymerizing or processing an isocyanate under substantially anhydrous conditions
  • Y10S528/906 - Fiber or elastomer prepared from an isocyanate reactant

• US Classifications

  • 528 - Synthetic resins or natural rubbers
  • 502 - Catalyst, solid sorbent, or support therefor: product or process of making
  • 521 - Synthetic resins or natural rubbers