Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10711223 | Composition comprising polyalkyleneimines | Karlheinz Ulrich Gerhard Hahn | 2020-07-14 |
| 9994796 | Composition for using in the protection of non-metallic inorganic material | Karlheinz Ulrich Gerhard Hahn | 2018-06-12 |
| 8216990 | Composition for protection of glassware in dishwasher | Karlheinz Ulrich Gerhard Hahn | 2012-07-10 |
| 7741236 | Water-soluble glass composition | Karlheinz Ulrich Gerhard Hahn | 2010-06-22 |