Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4442889 | Apparatus for combined cooling and aeration of biochemical-action vessels | — | 1984-04-17 |
| 4405500 | Halogen compound promoted Al.sub.2 O.sub.3 and/or SiO.sub.2 for the preparation of isoalkenes | Helmar Honig, Werner Horlitz | 1983-09-20 |
| 4296230 | Polyurethane coatings produced from (1) a polyisocyanate mixture of polyisocyanates from the diphenol methane series and a polyhydroxy polyether containing at least one tertiary amine nitrogen with (2) a polyol in a two component coating system | Josef Pedain, Walter Uerdingen | 1981-10-20 |
| 4266520 | Fuel-air mixture arrangement with an air-compressing super-charger for a combustion engine | — | 1981-05-12 |
| 4255569 | Process for the production of isocyanurate polyisocyanates, and products by the process | Rudolf Hombach, Manfred Dollhausen, Joachim Zirner | 1981-03-10 |
| 4207128 | Reactive polyurethane coatings | Harro Traubel, Klaus Konig, Bruno Zorn | 1980-06-10 |