Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336810 | Hydrogenation of benzoic acid and catalyst suitable therefor | Paul C. Van Geem, Xiaoding Xu | 1994-08-09 |
| 4473539 | Process for preparing pure silicon dioxide having high mechanical strength as well as silicon dioxide obtained by applying this process | Abraham van Montfoort | 1984-09-25 |
| 4434302 | Process and catalyst for performing hydroformylation reactions | Nicolaas A. De Munck | 1984-02-28 |
| 4392001 | Process for the preparation of a cycloalkene through partial hydrogenation of the corresponding aromatic hydrocarbon | Johannes Don | 1983-07-05 |
| 4386016 | Preparation of porous, pure silica dioxide and of chromium-oxide-on-silica dioxide catalysts | Lambertus J. M. A. vande Leemput | 1983-05-31 |
| 4356125 | Preparation of 2-hydroxytetrahydrofuran | Nicolaas A. De Munck | 1982-10-26 |
| 4292198 | Heterogeneous catalyst on the basis of an organometallic complex | Leendert Arie Gerritsen | 1981-09-29 |
| 4254297 | Process for the conversion of dimethyl ether | Petrus M. G. Frenken | 1981-03-03 |
| 4228260 | Supported chromium-oxide polymerization catalyst having a porous silica support used in the polymerization of olefins | Lambertus J. M. A. van de Leemput | 1980-10-14 |
| 4228261 | Supported chromium-oxide polymerization catalyst having a porous silica support used in the polymerization of olefines | Lambertus J. M. A. van de Leemput | 1980-10-14 |
| 4225464 | Process of preparing a porous, pure silica | Lambertus J. M. A. van de Leemput | 1980-09-30 |
| 4224189 | Process of preparing a porous, pure silica | Lambertus J. M. A. van de Leemput | 1980-09-23 |
| 4193942 | Process for catalytic conversion of olefinically unsaturated compounds with hydrogen and/or carbon monoxide | Leendert Arie Gerritsen | 1980-03-18 |