Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6608230 | Single-stage method for producing &agr;-hydroxy ethers by oxidizing C=C unsaturated compounds with hydroperoxides | Siegfried Warwel, Hans-Martin Zillmann, Klaus Kwetkat | 2003-08-19 |
| 6593376 | Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups on a di-,oligo- or polyene base | Klaus Kwetkat, Siegfried Warwel | 2003-07-15 |
| 6380439 | Single-stage method for producing &agr;-hydroxy ethers by oxidizing C=C-unsaturated compounds with hydroperoxides | Siegfried Warwel, Hans-Martin Zillmann, Klaus Kwetkat | 2002-04-30 |
| 5344946 | Process for the preparation of vicinal diols and/or epoxides | Siegfried Warwel, Michael Sojka | 1994-09-06 |
| 5321158 | Production of carboxylic acids | Siegfried Warwel | 1994-06-14 |