Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320062 | Preparation of 5-(2,2,2-trihaloethyl)-dialkyl-tetrahydrofuran-2-ones | Rudolf Kropp, Klaus Halbritter | 1982-03-16 |
| 4267122 | Aminosulfonylcarboxylic acids and their substituted ammonium salts | Lucien Thil, Wolfgang Kindscher | 1981-05-12 |
| 4257859 | Benzoin photoinitiator containing a quaternary ammonium group in photo curable composition and process | Werner Kuesters, Erich Penzel, Wolfgang Rehder, Walter Trautmann | 1981-03-24 |