Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359094 | Preparation of glyceryl carbonate | Norbert Rieber, Wolfgang Harder | 1994-10-25 |
| 5298668 | Catalytic preparation of formaldehyde condensates | Eugen Gehrer, Wolfgang Harder, Klaus Ebel, Johann-Peter Melder | 1994-03-29 |