Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7905964 | Method for the passivation of metal surfaces with compositions comprising polymers with acid groups and waxes | Walter Bertkau, Thomas Heidenfelder, Alexander Gothlich | 2011-03-15 |
| 7879158 | Nitrogenous polymers for metal surface treatment | Frank Dietsche, Matthias Kluglein, Frank Klippel | 2011-02-01 |
| 7749337 | Method for the passivation of metal surfaces with polymers containing acid groups | Walter Bertkau, Thomas Heidenfelder, Alexander Gothlich, Jens Haas, Frank Klippel +1 more | 2010-07-06 |
| 7655279 | Carboxylate-containing polymers for metal surface treatment | Frank Dietsche, Matthias Kluglein, Frank Klippel | 2010-02-02 |
| 7638469 | Methods of increasing permeability in carbonatic rock formations with alkanesulfonic acids | Thomas Heidenfelder, Marcus Guzmann, Uwe Ossmer | 2009-12-29 |
| 7390847 | Polymer derivatives for the treatment of metals | Monica Fernandez Gonzalez, Hans-Ulrich Jager, Peter Neumann | 2008-06-24 |
| 7307138 | Polymer electrolytes and process for their preparation | Joachim Clauss, Gregor Deckers, Arnold Schneller | 2007-12-11 |
| 7122618 | Quaternary polyamidoamines, the production thereof, corresponding agents and the use thereof | Axel Sanner, John-Bryan Speakman, Christian Drohmann, Mathias Hahn, Werner Jaeger | 2006-10-17 |
| 6733680 | Use of particulate polymers as filter aids for aqueous liquids | Christian Drohmann, Axel Sanner, Loni Schweikert, Karl Kolter | 2004-05-11 |
| 6670033 | Process and products of purification of anhydrosugar alcohols | Michael A. Hubbard, Michael Wohlers, Edward G. Zey, George Kvakovszky, Thomas H. Shockley +3 more | 2003-12-30 |
| 6541032 | Use of finely divided dye-containing polymers PD as color-imparting constituent in cosmetic compositions | Monika Medelnick, Ellen Pfrommer, Thorsten Clemens, Peter Erk, Arno Bohm +8 more | 2003-04-01 |
| 6380338 | Polymers for cosmetic formulations | Reinhold Dieing, Axel Sanner, Jacqueline Engesser, Wilma M. Dausch | 2002-04-30 |
| 6359070 | Polyesters including isosorbide as a comonomer blended with other thermoplastic polymers | Garo Khanarian, Larry F. Charbonneau | 2002-03-19 |
| 6348516 | Method for producing solution of polymers functionalized by acid groups by microwave radiation | Thomas Soczka-Guth, Gregor Deckers, Georg Frank, Kilian Brehl, Jürgen Lenze +2 more | 2002-02-19 |
| 6214891 | Process for producing a cation-exchanging polymer electrolyte membrane (PEM) | Arnold Schneller | 2001-04-10 |
| 6197147 | Process for continuous production of membrane-electrode composites | Harald Bönsel, Joachim Clauss, Gregor Deckers, Georg Frank, Arnold Schneller +2 more | 2001-03-06 |
| 6140422 | Polyesters including isosorbide as a comonomer blended with other thermoplastic polymers | Garo Khanarian, Larry F. Charbonneau | 2000-10-31 |
| 6126992 | Optical articles comprising isosorbide polyesters and method for making same | Garo Khanarian, Larry F. Charbonneau | 2000-10-03 |
| 6096856 | Polymer electrolytes and process for their production | Freddy Helmer-Metzmann, Andreas Schleicher, Arnold Schneller | 2000-08-01 |
| 6077918 | Polyarylene sulphides with polymer-bound phosphonium salts and process for producing them | — | 2000-06-20 |
| 6063495 | Polyester fiber and methods for making same | Larry F. Charbonneau, Garo Khanarian, Robert E. Johnson, John A. Flint | 2000-05-16 |
| 6063464 | Isosorbide containing polyesters and methods for making same | Larry F. Charbonneau, Robert E. Johnson, Garo Khanarian | 2000-05-16 |
| 6025061 | Sheets formed from polyesters including isosorbide | Garo Khanarian, Larry F. Charbonneau, Robert E. Johnson, Russel G. Lee, Robert Bruce Sandor +1 more | 2000-02-15 |
| 5959066 | Polyesters including isosorbide as a comonomer and methods for making same | Larry F. Charbonneau, Robert E. Johnson, Garo Khanarian | 1999-09-28 |
| 5906716 | Metallized cation exchange membrane | Petra Mertesdorf, Arnold Schneller, Reinhard Wagener | 1999-05-25 |