Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5728789 | Powder coating compositions containing copolymers having hydroxyl and carboxylic acid anhydride groups as binders | Christian Wamprecht, Hans-Joachim Kreuder, Henning Klussmann | 1998-03-17 |
| 5356945 | Reactive polyurethanes | Joachim Werner, Ulrich Liman, Walter Meckel, Wolfgang Pätzold | 1994-10-18 |
| 4525590 | Simplified process for the production of polyamines by the alkaline hydrolysis of compounds containing NCO-groups | Werner Rasshofer, Klaus Konig, Holger Meyborg, Walter Meckel | 1985-06-25 |
| 4490551 | Process for the production of urethanes | Hans-Joachim Scholl | 1984-12-25 |
| 4267353 | Preparation of aromatic urethanes | Hans-Joachim Scholl | 1981-05-12 |
| 4236016 | Process for the preparation of urethanes | Hans-Joachim Scholl | 1980-11-25 |
| 4230876 | Process for the preparation of urethanes | Hans-Joachim Scholl | 1980-10-28 |
| 4184990 | Process for the preparation of stable dispersions of polyisocyanate-polyaddition products in a hydroxyl containing compound as dispersing agent | Artur Reischl | 1980-01-22 |