Inventor

Reinhard Hittich

Inventor

Modautal, DE

Overview

1987–2008

Patent span

Chemistry

Primary field (CPC C)

Patents· 90 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Kprimary

C09KMaterials for miscellaneous applications, not provided for elsewhere59%

C07CAcyclic or carbocyclic compounds25%

C07DHeterocyclic compounds14%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium1%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein1%

PatentTitleYear

7,445,818'Matrix liquid crystal display'2008 7,250,199'Phenylcyclohexanes and a liquid-crystalline medium'2007 7,186,447'Matrix liquid crystal display'2007 6,955,837'Phenylcyclohexanes and a liquid-crystalline medium'2005 6,905,740'Matrix liquid crystal display'2005 6,677,002'Phenylcyclohexanes and a liquid-crystalline medium'2004 6,649,088'Nematic liquid crystal mixtures and a matrix liquid crystal display'2003 6,562,419'Matrix liquid crystal display'2003 6,326,066'1,4-disubstituted 2,6-difluorobenzene compounds, and a liquid-crystalline medium'2001 6,284,154'Phenylcyclohexanes and a liquid-crystalline medium'2001 RE037270'Liquid crystal phase'2001 6,210,760'Supertwist liquid crystal display'2001 6,200,654'1,4-disubstituted 2,6-difluorobenzene compounds, and a liquid-crystalline medium'2001 6,180,026'Nematic liquid crystal mixtures and a matrix liquid crystal display'2001 RE036849'Anisotropic compounds and liquid crystal mixtures therewith'2000 6,083,423'Nematic liquid crystal mixtures and a matrix liquid crystal display'2000 6,004,479'Matrix liquid crystal display'1999 5,985,171'Liquid-crystalline medium'1999 5,958,290'Electrooptical liquid crystal system'1999 5,942,648'Naphthalene derivatives'1999 5,891,360'Phenylcyclohexanes and a liquid-crystalline medium'1999 5,876,626'Supertwist liquid crystal display'1999 5,868,962'Liquid-crystalline medium'1999 5,837,162'Liquid-crystalline compounds'1998 5,811,029'Benzene derivatives, and a liquid-crystalline medium'1998 5,746,941'Liquid-crystalline medium'1998 5,626,793'Liquid-crystalline compounds'1997 5,616,284'Liquid-crystalline medium'1997 5,565,140'Halogenated benzene derivatives, and a liquid-crystalline medium'1996 5,520,846'Liquid-crystalline medium'1996 5,519,525'Matrix liquid crystal display'1996 5,496,499'Biphenylethanes and liquid-crystalline phase'1996 5,494,606'1,3-dioxane derivatives, and liquid-crystalline medium'1996 5,458,805'Phenylcyclohexanes and a liquid-crystalline medium'1995 5,456,860'Matrix liquid-crystal display'1995 5,403,512'Vinyl compounds, and a liquid-crystalline medium'1995 5,393,459'Optically active compounds, and a liquid-crystalline phase'1995 5,389,295'Benzene derivatives, and a liquid crystal medium'1995 5,387,369'Supertwist liquid crystal display'1995 5,378,395'Matrix liquid crystal display'1995 5,368,772'Liquid-crystalline medium'1994 5,356,562'Fluoro tolans and liquid crystalline media'1994 5,350,535'Liquid-crystalline medium'1994 5,344,587'Electrooptical liquid-crystal system'1994 5,340,497'Fluorophenylpyrimidines'1994 5,330,679'Nematic liquid-crystal composition for active matrix application'1994 5,328,642'Liquid-crystalline medium'1994 5,308,543'Nematic liquid-crystal composition for active matrix application'1994 5,308,542'4,4\'-disubstituted 2\',3-difluorobisphenyls and a liquid-crystalline medium'1994 5,308,541'Halogenated benzene derivatives, and a liquid-crystalline medium'1994 5,292,454'Trifluorotoluene compounds, and a liquid crystalline medium'1994 5,286,411'Liquid-crystalline medium'1994 5,286,410'Supertwist liquid-crystal display'1994 5,279,762'Smectic liquid crystal phases'1994 5,271,865'Liquid-crystalline mixture of low viscosity'1993 5,262,556'Process for the reaction of halogenated aromatics with electrophiles'1993 5,250,220'2,5-disubstituted heterocyclic compounds, and a liquid-crystalline medium'1993 5,232,624'Chiral 1,2-difluorobenzene derivatives'1993 5,230,829'Phenylcyclohexanes, and a liquid-crystalline medium'1993 5,213,710'Benzene derivatives and a liquid-crystalline medium'1993 5,209,868'Trifluoromethylcyclohexane derivatives'1993 5,204,476'Fluorophenylpyridines'1993 5,196,141'5-oxy-2-phenylpyridines, and a liquid-crystalline medium'1993 5,188,759'Haloacetylene derivatives'1993 5,178,790'Supertwist liquid crystal display'1993 5,171,469'Liquid-crystal matrix display'1992 5,143,642'Liquid-crystalline medium for electrooptical display elements based on the ECB effect'1992 5,124,068'Pyrimidines'1992 5,122,295'Matrix liquid crystal display'1992 5,122,297'Tetracyclic benzene derivatives and liquid-crystalline media'1992 5,093,026'Biphenylylethanes'1992 5,064,566'Smectic liquid crystal phases'1991 5,045,229'Difluoromethylene compounds'1991 5,043,093'Pyrimidines'1991 5,030,383'Electrooptical display element'1991 4,985,583'Cyclohexane derivatives'1991 4,886,621'Liquid crystal phase'1989 4,886,620'Smectic liquid-crystalline phases'1989 4,882,082'Nitrogen-containing hetercyclic compounds'1989 4,846,998'Cyclohexane derivatives'1989 4,820,839'Nitrogen-containing heterocyclic esters'1989 4,784,471'2-fluorobenzonitrile derivatives and their use in optical display devices'1988 4,752,414'Nitrogen-containing heterocyclic compounds'1988 4,737,311'Liquid crystal phase'1988 4,726,911'Heterocyclic compounds'1988 4,719,032'Cyclohexane derivatives'1988 4,713,197'Nitrogen-containing heterocyclic compounds'1987 4,707,295'Bicyclooctane derivatives'1987 4,704,227'Liquid crystal compounds'1987 4,693,841'Carbonitriles'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2008Patents assigned to MERCK PATENT GMBH (86)· patent assignee history

1987–2008Based in Modautal, DE· patent location history

1994Patents assigned to SHARP KK (2)· patent assignee history

1994Patents assigned to MERCK PATENT GES MIT BESRANKTE (1)· patent assignee history

1999–2001Patents assigned to MERCK KGAA (2)· patent assignee history

1999Based in Moduatal, DE· patent location history

2001Patents assigned to MERCK PATENT GES MIT RESCHANKT (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MERCK PATENT GMBH	86	1987–2008
MERCK KGAA	2	1999–2001
SHARP KK	2	1994
MERCK PATENT GES MIT BESRANKTE	1	1994
MERCK PATENT GES MIT RESCHANKT	1	2001

Locations

Location	Patents	Span
Modautal, DE	89	1987–2008
Moduatal, DE	1	1999