3719640

Information

• Patent Grant
• 3719640

• References
• Source

• Patent Number

  3,719,640

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1973
  51 years ago

• CPC

  • C08G73/14 - Polyamide-imides
  • C08G69/48 - Polymers modified by chemical after-treatment
  • Y10S525/917 - Polymer from at least one nonethylenic monomer having cationic group

• US Classifications

  • 525 - Synthetic resins or natural rubbers
  • 210 - Liquid purification or separation
  • 528 - Synthetic resins or natural rubbers