Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6716788 | Preparation of a double metal cyanide catalyst | Robert Adrianus Wilhelmus Grotenbreg, Ronald Van Kempen | 2004-04-06 |
| 6699961 | DMC complex catalyst and process for its preparation | Riemer Alberts De Groot, Ronald Van Kempen, Johan Paul Smit | 2004-03-02 |