Patents Assigned to Between Lizenz GmbH - Justia Patents Search

Patents Assigned to Between Lizenz GmbH

Method for preparing a solution of a sulfonated polymer and an amino-phosphonic acid in an aprotic solvent

Patent number: 9023557

Abstract: A method is disclosed for production of solutions of aminophosphonic acids and polymeric sulphonic acids in aprotic solvents. Membranes for membrane methodologies are produced from said solutions. Said membranes can also be doped with phosphoric acid.

Type: Grant

Filed: January 23, 2007

Date of Patent: May 5, 2015

Assignee: Between Lizenz GmbH

Inventor: Thomas Häring