Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478851 | Ethylene treatment by gas permeation | Rüdiger Knauf, Herbert Neumann, Matthias Stumpf, Manfred Wolter | 2002-11-12 |
| 6365784 | Preparation of ethylene by gas permeation | Rüdiger Knauf, Herbert Neumann, Matthias Stumpf, Manfred Wolter | 2002-04-02 |
| 5403954 | Preparation of methyltris(m-sulfonatophenyl) phosphonium iodide trisodium salt and use thereof in carbonylation reactions to prepare carboxylic acids and/or their esters | Peter Heymanns, Erhard Jagers, Andreas Seidel | 1995-04-04 |