Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6251849 | Cleaning agent for hard surfaces based on cationic polymer soil-release compounds | Rainer Jeschke, Ludwig Schieferstein, Katica Bocarac, Paul Birnbrich, Herbert Fischer +4 more | 2001-06-26 |
| 6126921 | Hair treatment formulations containing a water-insoluble polymer having a glass transition temperature of -20.degree. C. to 70.degree. C. | Winfried Emmerling, Hans P. Hofmann, Ludwig Schieferstein | 2000-10-03 |