Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9603354 | Protective solutions for organs | Herbert de Groot, Ursula Rauen, Wilfried Bruns | 2017-03-28 |
| 7977383 | Protective solutions for organs | Herbert de Groot, Ursula Rauen, Wilfried Bruns | 2011-07-12 |
| 6887955 | Method for high pressure polymerization of ethylene | Andreas Deckers, Frank-Olaf Maehling, Georg Groos, Wilhelm Weber | 2005-05-03 |
| 6245864 | Copolymer of (a) ethylene and (b) and alkenoic acid or a derivative thereof a mixture of said monomers | Norbert Hasenbein, Thomas Muehlenbernd | 2001-06-12 |
| 5753708 | Derivatives of 4-hydroxybutyric acid | Anita Koehler | 1998-05-19 |
| 5380937 | Derivatives of 4-hydroxybutyric acid | Anita Koehler | 1995-01-10 |
| 5306791 | Ethylene homopolymers and ethylene copolymers and a process for their preparation | Thomas Muehlenbernd, Roger Klimesch, Ernst Fischer | 1994-04-26 |
| 5189113 | Preparation of homogeneous ionically crosslinked ethylene copolymer in twin screw extruder | Thomas Muehlenbernd, Norbert Hasenbein, Lothar Schlemmer | 1993-02-23 |
| 5174867 | Preparation of electrically conductive, finely divided pyrrole polymers | Herbert Naarmann, Walter Heckmann, Petr Simak | 1992-12-29 |
| 5173275 | Method of removing or of accumulating heavy metal ions from an aqueous solution | Roger Klimesch | 1992-12-22 |
| 5100978 | Preparation of polyethylene and copolymers of predominant amounts of ethylene | Norbert Hasenbein, Wolfgang Ball, Juergen Schmidt-Theummes | 1992-03-31 |
| 5028265 | Wax dispersions having a high solids content | Juergen Schmidt-Thuemmes | 1991-07-02 |
| 5003001 | Ionic crosslinking of an ethylene copolymer in twin-screw extruder | Norbert Hasenbein, Lothar Schlemmer, Thomas Muehlenbernd | 1991-03-26 |
| 4996259 | Preparation of aqueous synthetic wax dispersions | Juergen Schmidt-Thuemmes, Norbert Hasenbein, Lothar Schlemmer, Wolfram Dietsche | 1991-02-26 |
| 4948850 | Preparation of amine-modified ethylene/carboxylic acid copolymers, such copolymers, and use thereof as adhesion promoters and cable sheathing | Norbert Hasenbein, Thomas Muehlenbernd | 1990-08-14 |
| 4935476 | Preparation of amine-modified ethylene/carboxylic acid copolymers, such copolymers, and use thereof as adhesion promoters and cable sheathing | Norbert Hasenbein, Thomas Muehlenbernd | 1990-06-19 |
| 4925897 | Modified polyacetylene | Herbert Naarmann | 1990-05-15 |
| 4640749 | Electrically conductive pyrrole copolymers and their preparation | Herbert Naarmann, Johannes Schlag | 1987-02-03 |
| 4532188 | Electrically conductive pyrrole copolymer article | Herbert Naarmann, Johannes Schlag | 1985-07-30 |