Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342900 | Process for the preparation of diene rubber vulcanizates | Dieter Zerpner, Karl-Heinz Nordsiek | 1994-08-30 |
| 5147939 | Unsaturated, elastomeric, asymmetrically coupled block copolymer, a single batch process for its manufacture and its use for the production of tire components | Walter Hellermann, Christoph Herrmann, Karl-Heinz Nordsiek, Hans-Bernd Fuchs | 1992-09-15 |
| 5104941 | 3,4-polyisoprene-containing rubber blend mixtures for tire treads | Hans-Bernd Fuchs, Christoph Herrmann, Walter Hellermann, Karl-Heinz Nordsiek | 1992-04-14 |
| 5100967 | Statistical AB-block copolymers having improved properties, process for their manufacture and their use | Christoph Herrmann, Walter Hellermann | 1992-03-31 |
| 5061758 | Unsaturated, elastomeric, asymmetrically, coupled block copolymers, a dual batch process for its manufacture and their use for the production of type components | Walter Hellermann, Christoph Herrmann, Karl-Heinz Nordsiek, Hans-Bernd Fuchs | 1991-10-29 |
| 5008343 | Process for the preparation of polymers based on conjugated dienes and optionally monovinylaromatic compounds | Walter Hellermann, Christoph Herrmann, Hans-Bernd Fuchs, Karl-Heinz Nordsiek | 1991-04-16 |
| 4894425 | Preparation of polyisoprene having high content of 1,2- and 3,4-structural units by anionic polymerization | Walter Hellermann, Karl-Heinz Nordsiek | 1990-01-16 |
| 4814386 | ABC block copolymers based on butadiene and isoprene, process for their preparation and use | Walter Hellermann, Christoph Herrmann, Hans-Bernd Fuchs, Karl-Heinz Nordsiek, Hans-Eberhard von Portatius | 1989-03-21 |
| 4673709 | Hot-vulcanizable tread strips for the manufacture of motor vehicle pneumatic tire treads; and block copolymers which can be used as the sole constituent of the rubber component which is the basic formulation component of said tread strips | Karl-Heinz Nordsiek, Johannes Tornau | 1987-06-16 |