3871822

Information

• Patent Grant
• 3871822

• References
• Source

• Patent Number

  3,871,822

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  50 years ago

• CPC

  • D06M15/5075 - containing sulfonic groups
  • D06M15/568 - Reaction products of isocyanates with polyethers

• US Classifications

  • 008 - Bleaching and dyeing
  • 560 - Organic compounds