Petrus W. N. M. van Leeuwen

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Kockengen, NL

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Patents Grantslast 30 patents

Information Patent Grant
Valeraldehyde and process for its preparation
- Patent number 6,566,521
- Issue date May 20, 2003
- Celanese GmbH
- Holger Geissler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Valeraldehyde and process for its preparation
- Patent number 6,342,605
- Issue date Jan 29, 2002
- Celanese GmbH
- Holger Geissler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of an aldehyde
- Patent number 6,153,800
- Issue date Nov 28, 2000
- DSM N.V.
- Onko J. Gelling
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bidentate phosphine ligand
- Patent number 5,817,848
- Issue date Oct 6, 1998
- DSM N.V.
- Paulus C. J. Kamer
- C07 - ORGANIC CHEMISTRY