Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7662634 | Method and device for determining the isomer composition in isocyanate production processes | Jochen Mahrenholtz, Andrea Wimschneider, Hans-Georg Pirkl, Heinz Muller, Jeffrey Bolton +4 more | 2010-02-16 |
| 5075193 | Desensitized quinone diazide compounds utilizing microcrystalline cellulose as desensitizing agent | Ditmar Raulin | 1991-12-24 |