Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6084040 | Scratch-resistant conductive coatings | Klaus Lerch, Udo Guntermann | 2000-07-04 |
| 6004483 | Scratch-resistant conductive coatings | Klaus Lerch, Wolfgang Fischer | 1999-12-21 |
| 5998014 | Flexible, deep-drawing, electrically conductive films | Harry Müller, Dirk Schultze, Klaus Lerch, Hans-Leo Weber | 1999-12-07 |
| 5935405 | Process for producing rigid and flexible circuits | Gerhard D. Wolf | 1999-08-10 |
| 5888372 | Process for producing metal-coated films in web form | Louis Bollens, Andre Heyvaerts, Dirk Quintens, Gerhard D. Wolf, Henning Giesecke | 1999-03-30 |
| 5792558 | Process for the electrostatic lacquering of non-conductive surfaces | Udo Guntermann, Klaus Lerch, Arthur Bohnke, Hans Basten, Peter Thometzek | 1998-08-11 |
| 5766515 | Conductive coatings | Alexander Karbach, Bavo Muys, Etienne Van Thillo, Rolf Wehrmann, Andreas Elschner +1 more | 1998-06-16 |
| 5667579 | Thermally stable iron oxide pigments, a process for their preparation and their use | Wolfgang Oehlert, Gunter Buxbaum | 1997-09-16 |
| 5575898 | Process for through-hole plating of two-layer printed circuit boards and multilayers | Gerhard D. Wolf, Reinhard Schomacker | 1996-11-19 |
| 5463056 | Thiophene derivatives | — | 1995-10-31 |
| 5443944 | Photographic material | Werner Krafft, Prem Lalvani, Hartwig Andries, Willem Mues | 1995-08-22 |
| 5403467 | Process for through-hole plating of two-layer circuit boards and multilayers | Gerhard D. Wolf | 1995-04-04 |
| 5372924 | Antistatic plastic moldings | Dirk Quintens, Wolfgang Fischer, Holger Ohst, Hans Rehbein, deceased | 1994-12-13 |
| 5370981 | Antistatic plastic articles | Werner Krafft, Bavo Muys, Dirk Quintens | 1994-12-06 |
| 5312681 | Sheet or web material having antistatic properties | Bavo Muys | 1994-05-17 |
| 5300575 | Polythiophene dispersions, their production and their use | Werner Krafft | 1994-04-05 |
| 5300146 | Thermostable iron oxide pigments, processes for their production, as well as their use | Andreas Frankenau, Gunter Buxbaum | 1994-04-05 |
| 5219908 | PAS with reduced flash formation and good mechanical properties | Burkhard Kohler, Bahman Sarabi, Sabine Dorf, Hans-Detlef Heinz | 1993-06-15 |
| 5041518 | Process for the production of polyhydantoins containing amide groups and/or imide groups | Rudolf Merten | 1991-08-20 |
| 5035926 | Method of imparting antistatic properties to a substrate by coating the substrate with a novel polythiophene | Gerhard Heywang, Werner Schmidtberg, Jurgen Heinze, Michael Dietrich | 1991-07-30 |
| 5008430 | Mercaptopyrenes, preparation thereof and use thereof for the preparation of charge transfer complexes | Gerhard Heywang | 1991-04-16 |
| 5006641 | Process for the preparation of polyhydantoins which can be processed thermoplastically | Rudolf Merten | 1991-04-09 |
| 4987042 | Polythiophenes, process for their preparation and their use | Gerhard Heywang, Werner Schmidtberg, Jurgen Heinze, Michael Dietrich | 1991-01-22 |
| 4959430 | Polythiophenes, process for their preparation and their use | Gerhard Heywang, Werner Schmidtberg, Jurgen Heinze, Michael Dietrich | 1990-09-25 |
| RE33223 | Organic polymers containing TCNQ complexes and stabilized against the emission of HCN | Jurgen Hocker | 1990-05-29 |