Jean-Pierre Couvercelle

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Fontaine le Bourg, FR

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Patents Grantslast 30 patents

Information Patent Grant
Use of a structure based on poly(dimethylketene) and objects compri...
- Patent number 6,793,995
- Issue date Sep 21, 2004
- Atofina
- Hélène Egret
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Use of a structure based on poly(dimethylketene) and objects compri...
- Patent number 6,528,135
- Issue date Mar 4, 2003
- Atofina
- Hélène Egret
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Use of a structure based on poly(dimethylketene) and objects compri...
- Publication number 20030157282
- Publication date Aug 21, 2003
- Helene Egret
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...