Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4294934 | Process for the production of elastic, optionally cellular, polyurethane ureas | Gerhard Grogler, Otto Ganster, Hans-Joachim Meiners, Hans-Dieter Ruprecht | 1981-10-13 |
| 4276386 | Diisocyanates having urea groups, a process for their preparation and their use in the production of polyurethanes | Gerhard Grogler | 1981-06-30 |
| 4263408 | Process for the production of molded foams | Holger Meyborg, Werner Mormann, Gerhard Grogler | 1981-04-21 |
| 4263423 | Process for the preparation of polyurethane casting elastomers | Holger Meyborg, Gerhard Grogler, Klaus Recker | 1981-04-21 |
| 4254229 | Polyurethane plastics containing thio groups | Gerhard Grogler, Paul Uhrhan | 1981-03-03 |