Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417285 | Method for the production of a copolymer based on vinyl aromatic compounds and conjugated dienes | Ellen Giebeler, Heinz-Dieter Brandt, Rudiger Engehausen | 2002-07-09 |
| 6344527 | Method for the production of polydienes with regulated mooney viscosity | Gerd Sylvester | 2002-02-05 |
| 4260707 | Solution polymerization of conjugated dienes | Gerd Sylvester, Josef Witte | 1981-04-07 |
| 4242232 | Catalyst and its preparation and use for the solution polymerization of conjugated dienes | Gerd Sylvester, Josef Witte | 1980-12-30 |
| 4189558 | Process for the production of butadiene-propylene copolymers | Josef Witte, Gerd Sylvester | 1980-02-19 |