van Kempen; Ronald
Patent Applications and Registrations
Patent applications and USPTO patent grants for van Kempen; Ronald.The latest application filed is for "dmc complex catalyst and process for its preparation".
- van Kempen; Ronald - Amsterdam NL
| Patent | Date |
|---|---|
| Preparation of a double metal cyanide catalyst Grant 6,977,236 - Eleveld , et al. December 20, 2 | 2005-12-20 |
| Preparation of a double metal cyanide catalyst Grant 6,716,788 - Eleveld , et al. April 6, 2 | 2004-04-06 |
| DMC complex catalyst and process for its preparation Grant 6,699,961 - Eleveld , et al. March 2, 2 | 2004-03-02 |
| Dmc complex catalyst and process for its preparation App 20030069389 - Eleveld, Michiel Barend ; et al. | 2003-04-10 |
| Macromer stabiliser precursor for polymer polyols Grant 6,403,667 - Eleveld , et al. June 11, 2 | 2002-06-11 |
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