Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663406 | Catalyst systems for the cationic polymerization of isobutylene | Klaus Bronstert, Waldhelm Hochstein, Heinrich Mohr, Gerhard Sandrock, Hans-Henning Vogel | 1987-05-05 |
| 4599433 | Reaction of olefins with maleic anhydride | Klaus Bronstert, Hans-Henning Vogel | 1986-07-08 |
| 4587307 | Quality of isobutene polymers in reactions with maleic anhydride | Klaus Bronstert, Waldhelm Hochstein, Hans-Henning Vogel | 1986-05-06 |
| 4369227 | Particulate styrene polymers containing blowing agent | Klaus Hahn, Heinz Krapf, Isidoor De Grave, Manfred Walter | 1983-01-18 |
| 4287258 | Particulate styrene polymers containing blowing agent | Klaus Hahn, Manfred Walter | 1981-09-01 |