Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10113270 | Process for the manufacture of paper and paperboard | Christopher Alan Gray, Antonius Moormann-Schmitz, Hubert Meixner, Luis Miguel Sanchez Cerro, Christian Jehn-Rendu | 2018-10-30 |
| 9404223 | Process for the manufacture of paper and paperboard | Christopher Alan Gray, Antonius Moormann-Schmitz, Hubert Meixner, Luis Miguel Sanchez Cerro, Christian Jehn-Rendu | 2016-08-02 |
| 8926797 | Method for increasing the dry strength of paper, paperboard, and cardboard | Christian Jehn-Rendu, Ellen Krueger, Hans-Joachim Haehnle, Martin Ruebenacker, Norbert Schall | 2015-01-06 |
| 6245864 | Copolymer of (a) ethylene and (b) and alkenoic acid or a derivative thereof a mixture of said monomers | Norbert Hasenbein, Gernot Koehler | 2001-06-12 |
| 5476905 | Grafted, crosslinked and crosslinkable | Harald Schwager, Bernd Lothar Marczinke, Juergen Kerth, Hans-Joachim Mueller | 1995-12-19 |
| 5306791 | Ethylene homopolymers and ethylene copolymers and a process for their preparation | Roger Klimesch, Gernot Koehler, Ernst Fischer | 1994-04-26 |
| 5296522 | Electrical medium and high voltage cable with a cable sheath having high resistance to the formation and the growth of water trees | Heinz Vogt, Ingolf Hennig, Johannes Schlag | 1994-03-22 |
| 5283120 | Electric cables which contain insulations based on ethylene polymers having high resistance to the formation of water trees | Ernst Koehnlein, Heinz Vogt, Johannes Schlag, Hans-Henning Hub | 1994-02-01 |
| 5189113 | Preparation of homogeneous ionically crosslinked ethylene copolymer in twin screw extruder | Norbert Hasenbein, Gernot Koehler, Lothar Schlemmer | 1993-02-23 |
| 5003001 | Ionic crosslinking of an ethylene copolymer in twin-screw extruder | Norbert Hasenbein, Lothar Schlemmer, Gernot Koehler | 1991-03-26 |
| 4956414 | Preparation of ionically crosslinked ethylene copolymers, ionically crosslinked ethylene copolymers and their use as films, cable sheathing and adhesion promoters | Norbert Hasenbein | 1990-09-11 |
| 4948850 | Preparation of amine-modified ethylene/carboxylic acid copolymers, such copolymers, and use thereof as adhesion promoters and cable sheathing | Norbert Hasenbein, Gernot Koehler | 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, Gernot Koehler | 1990-06-19 |