US 20170170505Al  c19)  United States  c12)  Patent Application Publication  Haring et al.  c10)  Pub.  No.: US  2017 /0170505 Al  (43)  Pub. Date:  Jun. 15, 2017  (54)  PHOSPHONIC ACID-CONTAINING BLENDS  AND PHOSPHONIC ACID-CONTAINING  POLYMERS  (71)  Applicants:Thomas  Haring,  Stuttgart (DE);  Jochen Kerres,  Ostfildem-Ruit (DE);  Frank Schonberger,  Saarlouis (DE);  Martin Hein,  Stuttgart (DE)  (72)  Inventors:  Thomas Haring,  Stuttgart (DE);  Jochen Kerres,  Ostfildem-Ruit (DE);  Frank Schonberger,  Saarlouis (DE);  Martin Hein,  Stuttgart (DE)  (21)  Appl. No.:  15/242,344  (22)  Filed:  Aug. 19, 2016  (63)  Continuation of application No. 14/165,456, filed on  Jan. 27, 2014, now abandoned, which is a continu› ation of application No. 12/278,245, filed on Feb. 10,  2009, now Pat. No. 8,637,174.  (52)  U.S. Cl.  CPC .......  H0lM 8/1034  (2013.01);  H0lM 8/1044  (2013.01);  H0lM 8/1023  (2013.01);  H0lM  8/1025  (2013.01);  H0lM 8/1039  (2013.01);  C08J  512287  (2013.01);  B0JJ 39/20  (2013.01);  H0JM 2008/1095  (2013.01)  (51)  Int. Cl.  H0lM 8/1034  H0lM 8/1023  B0JJ 39/20  H0lM 8/1039  C08J  5122  H0lM 8/1044  H0lM 8/1025  (2006.01)  (2006.01)  (2006.01)  (2006.01)  (2006.01)  (2006.01)  (2006.01)  Publication Classification  (57)  ABSTRACT  Related U.S. Application Data  A blend or blend membrane formed from a hydroxymeth› ylene-oligo-phosphonic acid R-C(P0$_{3}$H$_{2}$MOH)y and a poly› mer, in which the radical R is any organic radical, x and y  are integers, the hydroxymethylene-oligo-phosphonic acid  is a product of a reaction involving a carbonic acid, a  carbonic acid halide or a carbonic acid anhydride, and the  polymer includes a functional group selected from the group  consisting of (i) suitable cation exchange groups or their  non-ionic precursor and (ii) suitable basic groups. 