3928257

Information

• Patent Grant
• 3928257

• References
• Source

• Patent Number

  3,928,257

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1975
  49 years ago

• CPC

  • C08G18/4833 - Polyethers containing oxyethylene units
  • C08G18/4804 - Two or more polyethers of different physical or chemical nature
  • C08G18/5009 - having chlorine atoms
  • C08G2101/0025 - rigid

• US Classifications

  • 521 - Synthetic resins or natural rubbers