Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371250 | Process for the preparation of pure aqueous betaine solutions | Reinhard Vybiral | 1994-12-06 |
| 5292942 | Process for the preparation of aqueous betaine solutions | Rudolf Aigner, Guillermo Maier, Rainer Muller | 1994-03-08 |