Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4463165 | Water-dispersible polyester, its preparation, and its use as a hydrophiling agent | Friedrich Engelhardt, Karl Hintermeier, Hans Wagener | 1984-07-31 |
| 4321052 | Use of alkylpolyglycol-tert.-butyl ether as bleaching auxiliary and bleaching baths containing this agent | Thomas Martini, Siegfried Billenstein, Klaus Adrian | 1982-03-23 |