Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9778094 | Dynamic scale with multiple weighing pans | Frank Geserich, Andreas Blume, Karsten van der Waydbrink | 2017-10-03 |
| 9327508 | Printing apparatus | Wolfgang Muhl | 2016-05-03 |
| 9102140 | Printing apparatus | Wolfgang Muhl | 2015-08-11 |
| 8936281 | Press fitting for a tube | Thomas Kern, Rainer Dittmar | 2015-01-20 |
| 8702090 | Modular placement device of a feed station | Frank Geserich | 2014-04-22 |
| 6617470 | Method for esterifying (meth)acrylic acid with an alkanol | Heinrich Aichinger, Holger Herbst, Gerhard Nestler, Jürgen Schröder | 2003-09-09 |
| 6086637 | Trifluormethylpyridone based indolenine methine dyes | Clemens Grund, Helmut Reichelt, Andreas Schmidt, Frank Würthner, Rudiger Sens | 2000-07-11 |
| 5892046 | Methine and azamethine dyes based on trifluoromethylpyridones | Clemens Grund, Helmut Reichelt, Andreas Schmidt | 1999-04-06 |
| 5811370 | Azamethine dyes | Rudiger Sens, Andreas Schmidt, Karl-Heinz Etzbach | 1998-09-22 |
| 5783649 | Polymerizable azo dyes with a thiophene structure | Karl-Heinz Etzbach, Rudiger Sens | 1998-07-21 |
| 5777089 | Phenol derivatives, their preparation and their use, in particular in nonlinear optics | Karl-Heinz Etzbach, Rudiger Sens | 1998-07-07 |
| 5756807 | Preparation of alkyl cyanoacetates | Clemens Grund, Martin Holderbaum, Helmut Reichelt | 1998-05-26 |
| 5756753 | Methine and azamethine dyes based on naphthoquinones in nonlinear optics | Karl-Heinz Etzbach, Rudiger Sens | 1998-05-26 |
| 5738806 | Thienothienylazoanilines in nonlinear optics | Karl-Heinz Etzbach, Ruediger Sens | 1998-04-14 |
| 5714616 | Thiazolemethine dyes | Karl-Heinz Etzbach, Rudiger Sens | 1998-02-03 |
| 5696243 | Diphenylamine compounds, polymers prepared therefrom and non-linear optics devices containing the same | Karl-Heinz Etzbach, Ruediger Sens | 1997-12-09 |
| 5623075 | Thiazolemethine dyes | Karl-Heinz Etzbach, R udiger Sens | 1997-04-22 |
| 5616678 | Azo dyestuff- and urethane-containing polyadduct and its use in nonlinear optics | Karl-Heinz Etzbach, R udiger Sens, Karl H aberle | 1997-04-01 |
| 5549853 | Linked azo dyes | Karl-Heinz Etzbach, Karl Siemensmeyer, Ruediger Sens | 1996-08-27 |
| 5502135 | Copolymers based on dicarboximides, alkenyl isocyanates and/or alkenylurethanes | Rudolf Zentel, Michael Robert Doerr, Manfred Eich | 1996-03-26 |
| 5483005 | Preparation of polymers with NLO-active side groups and the use thereof | Karl-Heinz Etzbach | 1996-01-09 |
| 5466812 | Preparation of N-aminopyridones | Ernst Schefczik | 1995-11-14 |
| 5401612 | Polyesters containing nonlinear-optical chromophores, and the use thereof | Karl-Heinz Etzbach, Ruediger Sens | 1995-03-28 |
| 5384378 | Copolymers with non-linear optical properties and the use thereof | Karl-Heinz Etzbach, Oskar Nuyken, Peter Strohriegl, Harry Mueller | 1995-01-24 |