Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502892 | Method for cleaning a glass surface with solutions of dissolved pelleted components containing high molecular weight polyphosphates, carbonates and acid-forming substances | Lothar Westermann, Horst-Dieter Wasel-Nielen | 1985-03-05 |