VISCOELASTIC CATIONIC POLYMERS CONTAINING THE URETHANE LINKAGE

• US 3,655,814 A
• Filed: 05/19/1969
• Issued: 04/11/1972
• Est. Priority Date: 05/19/1969
• Status: Expired due to Term

• Current Assignee: Rembaum Alan
• Original Assignee: Rembaum Alan
• Inventors: REMBAUM ALAN
• Application Number:
  US04/825,489
• Time in Patent Office: 1,058 Days
• US Class Current: 528/75
• CPC Class Codes: C08G 18/0814 containing ammonium groups or groups forming them
• CPC Class Codes: C08G 73/02 Polyamines

Abstract

A VISCOELASTIC CATIONIC POLYMER HAVING A REPEATING UNIT OF THE FORMULA:

-(>N(+)-R1-Z-R2)N-

WHERE Z IS A LINKING CONDENSATION RESIDUE, PREFERABLY URETHANE AND N IS AN INTEGER PREPARED BY LINKING REACTIONS BETWEEN MONOMERIC STARTING METARIALS INCLUDING QUATERNARY NITROGEN FORMING COREACTANTS AND CONDENSATION RESIDUE FORMING COREACTANTS.

Claims