Annie Beguin

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Diphenyl benzoates and its use as a dopant for smectic liquid crystals
- Patent number 4,474,679
- Issue date Oct 2, 1984
- Thomson-CSF
- Jean C. Dubois
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Smectic liquid crystal display device without a nematic phase
- Patent number 4,464,020
- Issue date Aug 7, 1984
- Thomson-CSF
- Serge Le Berre
- G02 - OPTICS