Helene Septier

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Porous carbon-carbon composite filtering membrane support with a ca...
- Patent number 5,238,568
- Issue date Aug 24, 1993
- Le Carbone-Lorraine
- Daniel Fely
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Material having a resistivity with a positive temperature coefficient
- Patent number 4,966,729
- Issue date Oct 30, 1990
- Le Carbone Lorraine
- Francois Carmona
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL