3894992

Information

• Patent Grant
• 3894992

• References
• Source

• Patent Number

  3,894,992

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1975
  49 years ago

• CPC

  • D06M15/433 - by phosphoric acids
  • C08L71/02 - Polyalkylene oxides

• US Classifications

  • 524 - Synthetic resins or natural rubbers
  • 525 - Synthetic resins or natural rubbers
  • 544 - Organic compounds