Inventor
VILLIGER ALOIS
CH35 patents
⚠️ This page may combine multiple inventors who share the name “VILLIGER ALOIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOFFMANN LA ROCHE
31 patentsUS4391731AJul 5, 1983
Hydrogenated naphthalenes
HOFFMANN LA ROCHE143 citations96
US4273929AJun 16, 1981
Heterocyclic compounds
HOFFMANN LA ROCHE44 citations96
US5185098AFeb 9, 1993
Liquid crystalline mixtures containing 3,4-difluorophenyl-substituted bicyclohexyls
HOFFMANN LA ROCHE25 citations93
US4439015AMar 27, 1984
Disubstituted ethanes
HOFFMANN LA ROCHE68 citations92
US5230826AJul 27, 1993
Halobenzene liquid crystals
HOFFMANN LA ROCHE16 citations82
US5174921ADec 29, 1992
Bicyclohexyl derivatives
HOFFMANN LA ROCHE21 citations82
US5102578AApr 7, 1992
Liquid crystalline mixtures and method of making same
HOFFMANN LA ROCHE19 citations82
US4708441ANov 24, 1987
Esters
HOFFMANN LA ROCHE21 citations82
US4550981ANov 5, 1985
Liquid crystalline esters and mixtures
HOFFMANN LA ROCHE25 citations82
US4526704AJul 2, 1985
Multiring liquid crystal esters
HOFFMANN LA ROCHE24 citations82
US4462923AJul 31, 1984
Disubstituted pyrimidines
HOFFMANN LA ROCHE20 citations82
US4460770AJul 17, 1984
Liquid crystal mixture
HOFFMANN LA ROCHE26 citations82
US5447657ASep 5, 1995
Liquid crystal compounds
HOFFMANN LA ROCHE11 citations74
US5322638AJun 21, 1994
Halophenyl substituted dioxanes
HOFFMANN LA ROCHE11 citations74
US5302317AApr 12, 1994
Halobenzene liquid crystals
HOFFMANN LA ROCHE11 citations74
US5250222AOct 5, 1993
Optically active compounds used for liquid crystalline mixtures
HOFFMANN LA ROCHE11 citations74
US5104569AApr 14, 1992
Liquid crystalline mixtures including 2-phenylpyridine compounds
HOFFMANN LA ROCHE13 citations74
US4783280ANov 8, 1988
Liquid crystal mixture
HOFFMANN LA ROCHE10 citations74
US4630896ADec 23, 1986
Benzonitriles
HOFFMANN LA ROCHE15 citations74
US4389329AJun 21, 1983
Meterocyclic compounds
HOFFMANN LA ROCHE11 citations74
US5292452AMar 8, 1994
Alkenylcyclohexane liquid crystalline compounds
HOFFMANN LA ROCHE14 citations73
US4395350AJul 26, 1983
Liquid crystal mixtures
HOFFMANN LA ROCHE17 citations73
US4364838ADec 21, 1982
Liquid crystal mixtures
HOFFMANN LA ROCHE12 citations73
US5013476AMay 7, 1991
Liquid crystal compounds and indicating device employing same
HOFFMANN LA ROCHE6 citations72
US5478497ADec 26, 1995
Tetracyclic compounds and liquid crystalline mixtures containing them
HOFFMANN LA ROCHE3 citations63
US5454974AOct 3, 1995
Halobenzene liquid crystals
HOFFMANN LA ROCHE1 citations63
US5447658ASep 5, 1995
Tricyclic fluorobenzonitrile derivatives
HOFFMANN LA ROCHE2 citations63
US5160661ANov 3, 1992
Dioxanylpyridine
HOFFMANN LA ROCHE2 citations63
US5100577AMar 31, 1992
Ferroelectric liquid crystal mixtures and compounds as well as electro-optical devices employing same
HOFFMANN LA ROCHE5 citations61
US5371230ADec 6, 1994
Phenylpyridine derivatives and liquid crystalline mixtures containing same
HOFFMANN LA ROCHE1 citations52
US4980486ADec 25, 1990
Liquid crystalline compounds and mixtures
HOFFMANN LA ROCHE1 citations52