Inventor
PLACH HERBERT
DE90 patents
⚠️ This page may combine multiple inventors who share the name “PLACH HERBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MERCK PATENT GMBH
48 patentsUS5122295AJun 16, 1992
Matrix liquid crystal display
MERCK PATENT GMBH69 citations95
US5932138AAug 3, 1999
Benzene derivatives, and liquid-crystalline medium
MERCK PATENT GMBH19 citations93
US5718840AFeb 17, 1998
Benzene derivatives, and liquid-crystalline medium
MERCK PATENT GMBH22 citations93
US5641429AJun 24, 1997
Fluorobenzene derivatives and liquid-crystalline medium
MERCK PATENT GMBH23 citations93
US5626793AMay 6, 1997
Liquid-crystalline compounds
MERCK PATENT GMBH33 citations93
US5578241ANov 26, 1996
Liquid crystal display
MERCK PATENT GMBH42 citations93
US5536442AJul 16, 1996
Fluorinated liquid crystal compounds and liquid crystal medium containing same
MERCK PATENT GMBH29 citations93
US5494606AFeb 27, 1996
1,3-dioxane derivatives, and liquid-crystalline medium
MERCK PATENT GMBH19 citations93
US5487845AJan 30, 1996
Fluorobenzene derivatives and liquid-crystalline medium
MERCK PATENT GMBH33 citations93
US5403512AApr 4, 1995
Vinyl compounds, and a liquid-crystalline medium
MERCK PATENT GMBH35 citations93
US5368772ANov 29, 1994
Liquid-crystalline medium
MERCK PATENT GMBH33 citations93
US5178790AJan 12, 1993
Supertwist liquid crystal display
MERCK PATENT GMBH25 citations93
US5045229ASep 3, 1991
Difluoromethylene compounds
MERCK PATENT GMBH41 citations93
US7794621B2Sep 14, 2010
Liquid crystal system and liquid crystal display
MERCK PATENT GMBH20 citations92
US5397505AMar 14, 1995
Liquid crystalline medium
MERCK PATENT GMBH24 citations92
US5389289AFeb 14, 1995
Liquid-crystalline medium
MERCK PATENT GMBH25 citations92
US5378395AJan 3, 1995
Matrix liquid crystal display
MERCK PATENT GMBH20 citations92
US5286411AFeb 15, 1994
Liquid-crystalline medium
MERCK PATENT GMBH29 citations92
US5171469ADec 15, 1992
Liquid-crystal matrix display
MERCK PATENT GMBH38 citations91
US6781664B1Aug 24, 2004
Liquid-crystal switching elements comprising a liquid-crystal layer which has extremely low optical retardation and liquid-crystal displays containing them
MERCK PATENT GMBH14 citations84
US5891360AApr 6, 1999
Phenylcyclohexanes and a liquid-crystalline medium
MERCK PATENT GMBH11 citations82
US5458805AOct 17, 1995
Phenylcyclohexanes and a liquid-crystalline medium
MERCK PATENT GMBH17 citations82
US5389295AFeb 14, 1995
Benzene derivatives, and a liquid crystal medium
MERCK PATENT GMBH19 citations82
US5308541AMay 3, 1994
Halogenated benzene derivatives, and a liquid-crystalline medium
MERCK PATENT GMBH18 citations82
US5271865ADec 21, 1993
Liquid-crystalline mixture of low viscosity
MERCK PATENT GMBH20 citations82
US6955837B2Oct 18, 2005
Phenylcyclohexanes and a liquid-crystalline medium
MERCK PATENT GMBH3 citations74
US6905740B2Jun 14, 2005
Matrix liquid crystal display
MERCK PATENT GMBH7 citations74
US6677002B2Jan 13, 2004
Phenylcyclohexanes and a liquid-crystalline medium
MERCK PATENT GMBH6 citations74
US6562419B1May 13, 2003
Matrix liquid crystal display
MERCK PATENT GMBH6 citations74
US6284154B1Sep 4, 2001
Phenylcyclohexanes and a liquid-crystalline medium
MERCK PATENT GMBH7 citations74
US5985171ANov 16, 1999
Liquid-crystalline medium
MERCK PATENT GMBH9 citations74
US5942648AAug 24, 1999
Naphthalene derivatives
MERCK PATENT GMBH14 citations74
US5868962AFeb 9, 1999
Liquid-crystalline medium
MERCK PATENT GMBH15 citations74
US5837162ANov 17, 1998
Liquid-crystalline compounds
MERCK PATENT GMBH7 citations74
US5772914AJun 30, 1998
Chiral dopes
MERCK PATENT GMBH9 citations74
US5746941AMay 5, 1998
Liquid-crystalline medium
MERCK PATENT GMBH11 citations74
US5679282AOct 21, 1997
Chiral 2,6-difluorobenzene derivatives
MERCK PATENT GMBH7 citations74
US5616284AApr 1, 1997
Liquid-crystalline medium
MERCK PATENT GMBH7 citations74
US5571449ANov 5, 1996
Partially fluorinated benzene derivatives
MERCK PATENT GMBH10 citations74
US5560863AOct 1, 1996
2-Fluorocyclohexene derivatives
MERCK PATENT GMBH12 citations74
US5520846AMay 28, 1996
Liquid-crystalline medium
MERCK PATENT GMBH18 citations74
US5519525AMay 21, 1996
Matrix liquid crystal display
MERCK PATENT GMBH10 citations74
US5516454AMay 14, 1996
Supertwist liquid crystal display
MERCK PATENT GMBH9 citations74
US5480581AJan 2, 1996
Liquid-crystalline medium
MERCK PATENT GMBH17 citations74
US5458806AOct 17, 1995
Fluoromethyl ketones and liquid-crystalline media
MERCK PATENT GMBH8 citations74
US5422035AJun 6, 1995
Benzene derivatives, and liquid-crystalline medium
MERCK PATENT GMBH12 citations74
US5389292AFeb 14, 1995
Difluoromethyl compounds
MERCK PATENT GMBH8 citations74
US5350535ASep 27, 1994
Liquid-crystalline medium
MERCK PATENT GMBH16 citations74
MERCK KGAA
1 patentMERCK PATENT GES MIT BESHRANKT
1 patentShowing the top 50 of 90 patents by PatentIndex Score.