Alain Frey

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St-Leger de Rotes, FR

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Patents Grantslast 30 patents

Information Patent Grant
Packaging based on a polymer containing polyamide blocks and polyet...
- Patent number 5,888,597
- Issue date Mar 30, 1999
- Elf Atochem S.A.
- Alain Frey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Packaging based on a polymer containing polyamide blocks and polyet...
- Patent number 5,840,807
- Issue date Nov 24, 1998
- Elf Atochem S.A.
- Alain Frey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...