Leeuwen, Petrus W.N.M. Van
Patent Applications and Registrations
Patent applications and USPTO patent grants for Leeuwen, Petrus W.N.M. Van.The latest application filed is for "valeraldehyde and process for its preparation".
- Leeuwen, Petrus W.N.M. Van - Kockengen NL
| Patent | Date |
|---|---|
| Valeraldehyde and process for its preparation App 20030149267 - Geissler, Holger ; et al. | 2003-08-07 |
| Valeraldehyde and process for its preparation App 20020065434 - Geissler, Holger ; et al. | 2002-05-30 |
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