| 8568522 |
Method of passivating metallic surfaces by means of copolymers having phosphoric acid and/or phosphonic acid groups |
Alexander Gothlich, Gunnar Schornick, Dietrich Fehringer, Thomas Heidenfelder, Helmut Witteler +1 more |
2013-10-29 |
| 8420174 |
Polymer composition for corrosion protection |
Alexander Goethlich, Gunnar Schornick, Guido Vandermeulen, Helmut Witteler, Thomas Heidenfelder +4 more |
2013-04-16 |
| 8394208 |
Carboxylate-containing polymers for metal surface treatment |
Frank Dietsche, Helmut Witteler, Matthias Kluglein |
2013-03-12 |
| 8268404 |
Method for applying corrosion protection coatings to metal surfaces |
Guido Vandermeulen, Konrad Roschmann, Stephan Amthor, Marc Schroeder, Alexsandro Berger |
2012-09-18 |
| 8241745 |
Essentially chromium-free method for passivating metallic surfaces consisting of Zn, Zn alloys, Al or Al alloys |
Frank Dietsche, Matthias Kluglein, Alexander Gothlich |
2012-08-14 |
| 8002119 |
Control of the thickening of silicate-containing aqueous systems |
Karl-Heinz Buechner, Stephan Nied, Alexander Goethlich, Gunnar Schornick |
2011-08-23 |
| 7879158 |
Nitrogenous polymers for metal surface treatment |
Frank Dietsche, Helmut Witteler, Matthias Kluglein |
2011-02-01 |
| 7749337 |
Method for the passivation of metal surfaces with polymers containing acid groups |
Helmut Witteler, Walter Bertkau, Thomas Heidenfelder, Alexander Gothlich, Jens Haas +1 more |
2010-07-06 |
| 7655279 |
Carboxylate-containing polymers for metal surface treatment |
Frank Dietsche, Helmut Witteler, Matthias Kluglein |
2010-02-02 |
