Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739097 | Process for the production of surfactant granules | Volker Bauer, Jochen Jacobs, Bernhard Gutsche, Thomas Lueder, Christoph Breucker | 1998-04-14 |
| 5391783 | Process for the production of light-colored pastes of .alpha.-sulfofatty acid alkyl ester alkali metal salts | Dietmar Colignon, Erich Dorra, Herbert Lepper, Francois Pierron, Wolfgang Schmidt +1 more | 1995-02-21 |
| 5391782 | Process for the production of highly concentrated pastes of .alpha.-sulfofatty acid alkyl ester alkali metal salts | Dietmar Colignon, Erich Dorra, Wolfgang Schmidt, Norbert Wrede | 1995-02-21 |
| 5384422 | Process for the production of light-colored .alpha.-sulfofatty acid alkyl ester alkali metal salt pastes | Dietmar Colignon, Erich Dorra, Wolfgang Schmidt, Norbert Wrede | 1995-01-24 |
| 5382677 | Process for the production of highly concentrated pastes of .alpha.-sulfofatty acid alkyl ester alkali metal salts | Dietmar Colignon, Erich Dorra, Wolfgang Schmidt, Norbert Wrede | 1995-01-17 |
| 5189207 | Process for the production of solid or paste-form products | Gerhard Blasey, Christoph Breucker, Bernhard Gutsche, Lutz Jeromin, Eberhard Peukert +1 more | 1993-02-23 |
| 4990288 | Control of disalt in .alpha.-sulfofatty acid ester surfactants | Robert Piorr, Karl Schmid, Dietmar Colignon, Hans J. Rommerskirchen, Wolfgang Schmidt +1 more | 1991-02-05 |
| 4695409 | Control of disalt in .alpha.-sulfofatty acid ester surfactants | Robert Piorr, Karl Schmid, Dietmar Colignon, Hans J. Rommerskirchen, Wolfgang Schmidt +1 more | 1987-09-22 |