Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6673955 | Preparation of triethyl phosphate | Kaspar Hallenberger, Ottfried Schlak, Johannes Kaulen | 2004-01-06 |
| 6034260 | Dialkylphosphoric acids by the methanol method | Christoph Holzner | 2000-03-07 |
| 4370254 | Use of perfluoroalkane sulphonamide salts as surface active agents | Hans Niederprum | 1983-01-25 |
| 4289646 | 1,1-Difluoro-2-chloroethylene as aerosol propellant | Hans Niederprum | 1981-09-15 |
| 4265831 | Process for the preparation of hydroxyalkylperfluoroalkane sulphonamides | Klaus Geisler, Hans Niederprum | 1981-05-05 |
| 4246206 | Process for the preparation of N,N-bis-(2-hydroxyalkyl)-aminomethane phosphonic acid dimethyl ester | Manfred Kapps | 1981-01-20 |
| 4212832 | Production of high viscosity phosphoric and phosphonic acid aryl esters | Reinhard Schliebs | 1980-07-15 |