3718642

Information

• Patent Grant
• 3718642

• References
• Source

• Patent Number

  3,718,642

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  51 years ago

• CPC

  • C09B23/166 - containing two or more nitrogen atoms
  • C09B26/04 - cationic
  • C09B44/005 - Special process features in the quaternization reaction
  • C09B44/102 - characterised by the coupling component having a reactive methylene group

• US Classifications

  • 534 - Organic compounds