Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486120 | Use of alkoxylated sugar esters in liquid aqueous softening compositions | Norba Porta | 2002-11-26 |
| 5596125 | Process for the preparation of quaternary diesters | Burkhard Weuste, Andrea G. Fischer | 1997-01-21 |
| 5543066 | Biodegradable fabric softening composition | Norbert Porta | 1996-08-06 |
| 5312907 | Glycosiduronic acids | Manfred Schattschneider, Burkhard Weuste | 1994-05-17 |
| 4839415 | Paper sizing agents, the manufacture and use of same | Horst Schurmann, Klaus Schloter | 1989-06-13 |