Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870045 | High-temperature resistant molded catalysts and process for their production | Karlheinz Neuschaffer, Paul Spielau | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870045 | High-temperature resistant molded catalysts and process for their production | Karlheinz Neuschaffer, Paul Spielau | 1989-09-26 |