Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652318 | Process for the preparation of flexible epoxy resin systems | Richard Braunstein, Bernhard Schleimer, Felix Schmitt, Joern Weiss | 1997-07-29 |
| 5633336 | Polyamines containing urea groups and process for their preparation | Rainer Gras | 1997-05-27 |
| 5621063 | Blocked polyisocyanates and a process for their preparation | Christoph Theis | 1997-04-15 |
| 5616658 | Process for the production of matt epoxy resin and hybrid powder coatings | Rainer Gras | 1997-04-01 |
| 5608016 | Salts of pyromellitic acid, and their use as epoxy resin curing agents | Rainer Gras | 1997-03-04 |