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Inventor

Lars Lietzau

Inventor
Darmstadt, DE

Overview

39→
Patents
2007–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 39 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 elsewhere57%
C07DHeterocyclic compounds16%
C07CAcyclic or carbocyclic compounds15%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein12%
PatentTitleYear
11,053,442Liquid crystal mixture and liquid crystal display202110,351,771Liquid-crystalline medium201910,190,048Liquid-crystalline medium and liquid-crystal display comprising the same201910,106,741Liquid-crystalline medium and electro-optical liquid-crystal display201810,017,695Fluorinated dibenzofuran and dibenzothiophene derivatives20189,611,428'Liquid-crystalline medium and electro-optical liquid-crystal display'20179,212,309'Liquid crystalline medium and liquid crystalline display'20158,871,952'Thiophene compounds for liquid-crystalline media'20148,821,757'Liquid-crystalline medium'20148,609,714'Thiophene compounds for liquid-crystalline media'20138,465,672'Tetrahydropyran compounds'20138,404,150'Liquid-crystalline medium and liquid-crystal display'20138,231,806'Liquid-crystalline medium and liquid-crystal display'20128,221,854'Liquid crystalline medium and liquid crystal display'20128,197,709'Liquid-crystalline compounds'20128,168,081'Liquid-crystalline medium'20128,163,200'Cyclohexene compounds for liquid-crystalline mixtures'20128,012,547'Pyridine compounds for liquid-crystalline mixtures'20117,964,253'Liquid-crystalline medium and liquid-crystal display'20117,922,934's-Indacene and indeno[5,6-d][1,3]dioxol-derivatives and use thereof as components of liquid-crystal mixtures'20117,790,247'Liquid-crystalline medium'20107,767,277'Fluorophenyl compounds for liquid-crystalline mixtures'20107,704,567'Liquid-crystalline medium comprising fluorinated indane compound'20107,691,455'Liquid crystalline medium and liquid crystal display'20107,691,456'Spiro[3.3] heptyl-dioxan derivatives and their use in liquid crystal media'20107,682,671'Liquid crystalline medium and liquid crystal display'20107,674,507'Pyran-dioxane derivatives, and the use thereof in liquid-crystalline media'20107,670,655'Liquid-crystalline medium'20107,622,165'Liquid-crystalline medium'20097,612,243'Cyclopenta[b]naphthalene derivatives'20097,579,053'Liquid crystalline medium and liquid crystal display'20097,575,785'Cyclopenta[a]naphthaline derivatives'20097,517,471'As-indacen derivatives'20097,514,127'Dibenzofuran derivatives, dibenzothiophene derivatives and fluorene derivatives'20097,482,044'Liquid crystalline medium and liquid crystal display'20097,445,819'Liquid crystalline medium and liquid crystal display'20087,335,403'Liquid-crystalline medium'20087,291,366'Cyclopenta[b]naphthalene derivatives'20077,182,885'Fluorinated indenes and 1,7-dihydroindacenes of negative dielectric anisotropy'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2021Patents assigned to MERCK PATENT GMBH (37)· patent assignee history
2007–2018Based in Darmstadt, DE· patent location history
2009Based in Merck KGAA, DE· patent location history
2012–2015Patents assigned to LIETZAU LARS (10)· patent assignee history
2012–2015Patents assigned to CZANTA MARKUS (7)· patent assignee history
2012–2013Patents assigned to MANABE ATSUTAKA (4)· patent assignee history
2012–2014Patents assigned to SCHULER BRIGITTE (4)· patent assignee history
2018–2021Based in Rossdorf, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MERCK PATENT GMBH372007–2021
LIETZAU LARSself102012–2015
CZANTA MARKUS72012–2015
MANABE ATSUTAKA42012–2013
SCHULER BRIGITTE42012–2014
Locations
LocationPatentsSpan
Darmstadt, DE342007–2018
Rossdorf, DE42018–2021
Merck KGAA, DE12009