Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5496707 | Assay method for hemicellulases using a colored substrate | Beat Freiermuth, Alfred L. Gaertner, Spencer Fisk | 1996-03-05 |
| 5298032 | Process for dyeing cellulosic textile material with disperse dyes | Wolfgang Schlenker, Peter Liechti, Angelo D. Casa | 1994-03-29 |
| 5269815 | Process for the fluorescent whitening of hydrophobic textile material with disperse fluorescent whitening agents from super-critical carbon dioxide | Wolfgang Schlenker, Claude Eckhardt | 1993-12-14 |
| 5201998 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Rosemarie Topfl, Michael Bernheim, Hubert Meindl, Hans Wegmuller, Peter Rohringer | 1993-04-13 |
| 5199956 | Process for dyeing hydrophobic textile material with disperse dyes from super-critical carbon dioxide | Wolfgang Schlenker, Peter Liechti, Angelo D. Casa | 1993-04-06 |
| 4627889 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Michael Bernheim, Hubert Meindl, Peter Rohringer, Hans Wegmuller | 1986-12-09 |
| 4623428 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Michael Bernheim, Hubert Meindl, Peter Rohringer, Hans Wegmuller | 1986-11-18 |