Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621928 | Treatment system and method for fluids containing particulate matter | — | 1986-11-11 |
| 4590038 | Fluidizing-cell column | Heinrich Lob | 1986-05-20 |
| 4578501 | Preparation of terephthalic acid from a crude dimethyl terephthalate | Anton Schoengen, Heinz Schroeder | 1986-03-25 |
| 4438075 | Process and apparatus for the production and maintenance of a fluidized layer in heterogeneous systems | Helmut von Branchel, Heinz Schroeder | 1984-03-20 |
| 4302595 | Process for the preparation of terephthalic acid by the hydrolysis of intermediate stage crude dimethyl terephthalate | Anton Schoengen, Heinz Schroeder | 1981-11-24 |