Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857560 | Reaction products useful as catalysts in the production of isocyanate-based plastics | Manfred Schmidt, Claus-Dieter Sommerfeld, Walter Klan | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857560 | Reaction products useful as catalysts in the production of isocyanate-based plastics | Manfred Schmidt, Claus-Dieter Sommerfeld, Walter Klan | 1989-08-15 |