Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4247433 | Process for the preparation of thermosettable urea-formaldehyde resins and method for use thereof | Eckehard Schamberg, Ulrich Holtschmidt | 1981-01-27 |
| 4198332 | Process for the preparation of solutions of urea-formaldehyde resins for the impregnation and coating of carrier webs for coating the surface of wood-based panels | Arnold Laqua, Ulrich Holtschmidt, Eckehard Schamberg | 1980-04-15 |