Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4442280 | Heterogeneous systems of polyol/diphenyl methane uret dione diisocyanates and a process for their production | Gerhard Grogler | 1984-04-10 |
| 4330656 | Activated isocyanate prepolymers and a process for the production of elastomeric polyurethane resins | Gerhard Grogler | 1982-05-18 |