2987504

Information

• Patent Grant
• 2987504

• References
• Source

• Patent Number

  2,987,504

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1961
  63 years ago

• CPC

  • C08G18/3203 - Polyhydroxy compounds
  • C08G18/12 - using two or more compounds having active hydrogen in the first polymerisation step
  • C08G18/65 - Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
  • C08G18/7806 - containing -N-C=0 groups
  • C08G18/8003 - masked with compounds having at least two groups containing active hydrogen
  • C08G18/8045 - with water
  • C08G18/8058 - with compounds of C08G18/3819
  • Y10S273/08 - Urethane
  • 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
  • 273 - Amusement devices: games
  • 525 - Synthetic resins or natural rubbers