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Jean Billard
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Paris, FR
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last 30 patents
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Patent Grant
Pyramidal liquid crystals
Patent number
4,619,788
Issue date
Oct 28, 1986
Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
Herbert Zimmermann
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Display process using a thermo-optical effect with a memory in a th...
Patent number
4,430,650
Issue date
Feb 7, 1984
Thomson-CSF
Jean Billard
G02 - OPTICS
Information
Patent Grant
Cholesteric liquid crystal of the reentrant type and a temperature-...
Patent number
4,410,283
Issue date
Oct 18, 1983
Thomson-CSF
Jean-Claude Dubois
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Mixture of disc-like liquid crystals, electro-optical device using...
Patent number
4,333,709
Issue date
Jun 8, 1982
Thomson-CSF
Jean-Claude Dubois
G02 - OPTICS