Cornelis Jongsma

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Patents Grantslast 30 patents

Information Patent Grant
Process for the purification of benzaldehyde
- Patent number 4,379,026
- Issue date Apr 5, 1983
- Stamicarbon, B.V.
- Cornelis Jongsma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of benzene-monocarboxylic acids
- Patent number 4,339,599
- Issue date Jul 13, 1982
- Stamicarbon, B.V.
- Cornelis Jongsma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of a pure alkali metal benzoate and benz...
- Patent number 4,296,245
- Issue date Oct 20, 1981
- Stamicarbon, B.V.
- Cornelis Jongsma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of benzaldehyde
- Patent number 4,285,777
- Issue date Aug 25, 1981
- Stamicarbon, B.V.
- Cornelis Jongsma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of an alkali-metal benzoate besides a b...
- Patent number 4,227,017
- Issue date Oct 7, 1980
- Stamicarbon, B.V.
- Cornelis Jongsma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for processing a tar containing benzyl benzoate
- Patent number 4,205,184
- Issue date May 27, 1980
- Stamicarbon, B.V.
- Cornelis Jongsma
- C07 - ORGANIC CHEMISTRY