3499040

Information

• Patent Grant
• 3499040

• References
• Source

• Patent Number

  3,499,040

• Date Filed

  Not available

• Date Issued

  Tuesday, March 3, 1970
  54 years ago

• CPC

  • C08G65/20 - Tetrahydrofuran
  • C08G18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
  • C08G18/4854 - Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
  • C08G18/4875 - containing cycloaliphatic groups
  • C08G63/66 - Polyesters containing oxygen in the form of ether groups
  • C08G65/16 - Cyclic ethers having four or more ring atom

• US Classifications

  • 568 - Organic compounds
  • 528 - Synthetic resins or natural rubbers