Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6616851 | System and method for treating water circulating in open-circuit cooling systems | Giancinto Sforza-Heinen, Wolfgang Schmitt, Alfred Werner-Busse, Wolfgang Hater, Jens Vier | 2003-09-09 |
| 6191097 | Process for preparing raw materials for washing agents | Thomas Lueder, Konstantinos Scholinakis, Bernhard Gutsche, Christoph Breucker | 2001-02-20 |
| 5391782 | Process for the production of highly concentrated pastes of .alpha.-sulfofatty acid alkyl ester alkali metal salts | Dietmar Colignon, Erich Dorra, Guenter Panthel, Wolfgang Schmidt | 1995-02-21 |
| 5391783 | Process for the production of light-colored pastes of .alpha.-sulfofatty acid alkyl ester alkali metal salts | Dietmar Colignon, Erich Dorra, Herbert Lepper, Guenter Panthel, Francois Pierron +1 more | 1995-02-21 |
| 5384422 | Process for the production of light-colored .alpha.-sulfofatty acid alkyl ester alkali metal salt pastes | Dietmar Colignon, Erich Dorra, Guenter Panthel, Wolfgang Schmidt | 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, Guenter Panthel, Wolfgang Schmidt | 1995-01-17 |