Inventor

Martin Schadt

Inventor

Seltisberg, CH

Overview

1979–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 125 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 elsewhere26%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein18%

C07CAcyclic or carbocyclic compounds14%

C07DHeterocyclic compounds13%

G02BOptical elements, systems or apparatus9%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%

B42DBooks3%

G06KGraphical data reading2%

H04NPictorial communication, e.g. television2%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%

PatentTitleYear

10,712,618Electrooptic device based on multiple domain scattering effect2020 10,095,066Cinnamic acid derivative, polymer thereof, and liquid crystal alignment layer comprising cured product thereof2018 9,939,555Cinnamic acid derivative, polymer thereof, and liquid crystal alignment layer comprising cured product thereof2018 9,684,206'Copolymer, and liquid crystal alignment layer including cured product thereof'2017 9,643,445'Optical element'2017 9,360,708'Cinnamic acid derivative, polymer thereof, and liquid crystal alignment layer comprising cured product thereof'2016 9,340,634'Polymer for use in liquid crystal alignment layer'2016 9,321,962'Liquid crystal orientation layer'2016 8,906,458'Topologically structured polymer coating'2014 8,830,425'Optical element'2014 8,553,196'Optical element'2013 7,679,701'Optical element'2010 7,364,671'Optical component, orientation layer, and layerable polymerisable mixture'2008 7,292,292'Element for protection against forgery or copying containing a structured retarder and a polarizer layer'2007 7,126,654'Switchable color filter'2006 7,088,411'Liquid crystal displays including two o-plates and two c-plates, with helical arrangement of azimuthal orientations'2006 6,919,946'Compensators for liquid crystal displays and the use and manufacture of the compensators'2005 6,876,417'Method of imparting preferred alignment in liquid crystal cells'2005 6,867,836'Nematic liquid crystal electrooptical element and device'2005 6,801,272'Color switch'2004 6,734,936'Optical element containing an optically anisotropic layer having at least two regions with different molecular orientations'2004 6,724,450'Liquid crystal display with switchable view angle'2004 6,717,644'Optical component and method of manufacture'2004 6,671,028'Distorted helix ferroelectric liquid crystal cell'2003 6,646,703'Method of making an element of liquid crystal polymer using alignment induced by unpolarized or circularly polarized radiation'2003 6,608,661'Photo-oriented polymer network material having desired azimuthal orientation and tilt angle and method for its production'2003 6,606,134'Reflective ferroelectric liquid crystal display and projection system'2003 6,597,422'Orientation layer for a liquid crystal material'2003 6,496,287'Optical identification element'2002 6,369,869'Optical component and method of manufacture'2002 6,300,991'Photo-oriented polymer network material having desired azimuthal orientation and tilt angle and method for its production'2001 6,215,539'Photo-oriented polymer network material having desired azimuthal orientation and tilt angle and method for its production'2001 6,163,311'Driving method for a distorted helix-ferroelectric liquid crystal cell'2000 6,160,597'Optical component and method of manufacture'2000 6,144,428'Optical component'2000 6,143,208'Optical element and compounds used in its manufacture'2000 6,111,631'Ferroelectric liquid crystal cell with a saturated switching angle or sufficient to give rise to linear liquid crystal domains'2000 6,046,789'Bistable ferroelectric liquid crystal cell'2000 RE036625'Linear and cyclic polymers or oligomers having a photoreactive ethene group'2000 5,903,330'Optical component with plural orientation layers on the same substrate wherein the surfaces of the orientation layers have different patterns and direction'1999 5,841,504'Distorted helix ferroelectric liquid crystal cell'1998 5,838,407'Liquid crystal display cells'1998 5,818,548'Ferroelectric liquid crystal display in which the switching angle does not exceed .+-. 22.5.degree.'1998 5,784,139'Image display device'1998 5,770,109'Ferroelectric liquid crystal cell'1998 5,760,863'DHF ferroelectric liquid crystalline display, switching or image processing apparatus'1998 5,686,931'Device for displaying colors produced by controllable cholesteric color filters'1997 5,681,504'Optically active tolanes'1997 5,676,880'Ferroelectric liquid crystal cell'1997 5,637,255'Chiral dioxolanes'1997 5,602,661'Optical component'1997 5,582,767'Fluorosubstituted tolane derivatives'1996 5,567,349'Photo cross-linkable liquid crystals'1996 5,539,074'Linear and cyclic polymers or oligomers having a photoreactive ethene group'1996 5,518,653'Optically active methyl dioxanes'1996 5,500,752'Method for giving cholesteric liquid crystals a planar orientation free from faulty inclination'1996 5,498,367'Optically active tolanes'1996 5,486,310'Liquid crystalline mixtures having a chiral tilted smectic phase'1996 5,484,551'Substituted phenyl 4-[(E)-alk-2-enoyloxy]benzoates'1996 5,478,497'Tetracyclic compounds and liquid crystalline mixtures containing them'1995 5,454,974'Halobenzene liquid crystals'1995 5,447,657'Liquid crystal compounds'1995 5,447,662'Optically non-linear polymeric coatings'1995 5,447,658'Tricyclic fluorobenzonitrile derivatives'1995 5,413,734'4-cyano-3-fluorophenyl esters'1995 5,399,689'Chlorophenylalkoxyalkyl compounds'1995 5,399,292'Fluoro-substituted phenyl-cyclohexylacetylenes'1995 5,389,698'Process for making photopolymers having varying molecular orientation using light to orient and polymerize'1995 5,380,462'Cyclohexyl alkenoate compounds'1995 5,372,746'Fluoro-substituted tolane compounds and liquid crystalline mixtures containing same'1994 5,364,556'Halovinyl-derivatives'1994 5,335,303'Quasi-phased matched optical waveguide frequency conversion element having a ferroelectric liquid crystalline material exhibiting a periodic structure'1994 5,328,637'Alkinyl-derivatives and their use in liquid crystalline mixtures'1994 5,327,273'Bistable ferroelectric liquid crystal display cell'1994 5,326,497'Nitrogen heterocycles and liquid crystalline mixtures containing them'1994 5,322,638'Halophenyl substituted dioxanes'1994 5,319,478'Light control systems with a circular polarizer and a twisted nematic liquid crystal having a minimum path difference of .lambda./2'1994 5,309,265'Short pitch LC layer with a temperature independent .lambda..sub.0 and containing a nematic LC doped with plural chiral additives having the same twist sense'1994 5,302,317'Halobenzene liquid crystals'1994 5,295,009'Polarizer device'1994 5,292,452'Alkenylcyclohexane liquid crystalline compounds'1994 5,284,956'Liquid crystalline mixtures containing 2-(2-fluorophenyl) pyridines'1994 5,264,149'Liquid crystal compounds having a terminal 1-alkynyl residue'1993 5,242,619'Liquid crystalline mixtures having a chiral tilted smectic phase'1993 5,238,602'Liquid crystals'1993 5,235,443'Polarizer device'1993 5,230,826'Halobenzene liquid crystals'1993 5,185,098'Liquid crystalline mixtures containing 3,4-difluorophenyl-substituted bicyclohexyls'1993 5,174,921'Bicyclohexyl derivatives'1992 5,171,472'Phenylcyclohexyldioxane derivatives having an ether bond for electro-optical displays'1992 5,171,473'Liquid crystal compounds having a terminal 1-alkynyl residue'1992 5,160,661'Dioxanylpyridine'1992 5,102,578'Liquid crystalline mixtures and method of making same'1992 5,100,577'Ferroelectric liquid crystal mixtures and compounds as well as electro-optical devices employing same'1992 5,082,589'Liquid crystalline esters'1992 5,013,476'Liquid crystal compounds and indicating device employing same'1991 5,013,477'Alkenylbicyclohexane liquid crystals'1991 5,004,324'Liquid crystal display'1991 4,980,486'Liquid crystalline compounds and mixtures'1990 4,925,278'Liquid crystalline esters'1990 4,915,480'Liquid crystalline compounds and mixtures'1990 4,898,455'Pyridine liquid crystalline compounds'1990 4,830,470'Liquid crystalline esters'1989 4,783,280'Liquid crystal mixture'1988 4,770,503'Liquid crystalline compounds'1988 4,708,441'Esters'1987 4,709,030'Novel liquid crystal mixtures'1987 4,704,005'Dicyano compounds'1987 4,629,581'Cyclohexanecarbonitriles'1986 4,621,901'Novel liquid crystal mixtures'1986 4,613,208'Coloring substance-containing liquid crystal mixtures'1986 4,583,826'Phenylethanes'1986 4,565,425'Liquid crystals'1986 4,550,981'Liquid crystalline esters and mixtures'1985 4,526,704'Multiring liquid crystal esters'1985 4,462,923'Disubstituted pyrimidines'1984 4,460,770'Liquid crystal mixture'1984 4,452,718'Pyridazines'1984 4,395,350'Liquid crystal mixtures'1983 4,391,731'Hydrogenated naphthalenes'1983 4,389,329'Meterocyclic compounds'1983 4,364,838'Liquid crystal mixtures'1982 4,273,929'Heterocyclic compounds'1981 4,198,130'Liquid crystal mixtures'1980 4,180,475'Liquid crystal mixtures'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1997Patents assigned to HOFFMANN LA ROCHE (74)· patent assignee history

1979–2020Based in Seltisberg, CH· patent location history

1990–2018Patents assigned to SCHADT MARTIN (8)· patent assignee history

1992–2018Patents assigned to DAINIPPON INK & CHEMICALS (6)· patent assignee history

1993–1996Patents assigned to NIOPIC MOSCOW RES & PROD ASS (5)· patent assignee history

1994–2004Based in Selitsberg, CH· patent location history

1997–2017Patents assigned to ROLIC AG (40)· patent assignee history

2016Based in Seltisbert, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HOFFMANN LA ROCHE	74	1979–1997
ROLIC AG	40	1997–2017
SCHADT MARTINself	8	1990–2018
DAINIPPON INK & CHEMICALS	6	1992–2018
NIOPIC MOSCOW RES & PROD ASS	5	1993–1996

Locations

Location	Patents	Span
Seltisberg, CH	122	1979–2020
Selitsberg, CH	2	1994–2004
Seltisbert, CH	1	2016