Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5095164 | Process for cleaving alkyl tert.-alkyl ethers | Christian Gabel, Bernhard Schleppinghoff, Hans-Volker Scheef | 1992-03-10 |
| 5084070 | Gum-free components containing alkyl tert.-alkyl ethers | Bernhard Schleppinghoff, Bruno Schulwitz, Hans-Volker Scheef, Herbert Tachorn | 1992-01-28 |
| 5008466 | Process for the isomerization of alkenes having a terminal double bond to give alkenes having an internal double bond | Bernhard Schleppinghoff, Christian Gabel, Hans-Volker Scheef | 1991-04-16 |
| 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 |