Gijsbertus H. M. Calis

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Nuth, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process of making microporous film
- Patent number 6,558,591
- Issue date May 6, 2003
- DSM N.V.
- Gijsbertus H. M. Calis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrolytic membrane, method of manufacturing it and use
- Patent number 6,514,561
- Issue date Feb 4, 2003
- DSM N.V.
- Ronald K. A. M. Mallant
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for separating off calcium nitrate tetrahydrate by crystall...
- Patent number 4,569,677
- Issue date Feb 11, 1986
- Unie Van Kunstmestfabrieken BV
- Gijsbertus H. M. Calis
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Battery separator
- Publication number 20010038947
- Publication date Nov 8, 2001
- Gijsbertus H.M. Calis
- H01 - BASIC ELECTRIC ELEMENTS