Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349416 | Process and device for the separation of mixtures which form an azeotrope | Hans-Walter Brandt, Heinrich Steude, Ludwig Bruns | 1982-09-14 |
| 4330679 | Process for the preparation of alkyl tert.-alkyl ethers | Bernhard Schleppinghoff | 1982-05-18 |