Benzochromene derivatives for use in liquid crystal media...

Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...

Reexamination Certificate

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Details

Other Related Categories

C252S299610, C252S299620, C514S437000, C514S454000, C514S455000, C549S390000, C549S391000, C549S393000

Type

Reexamination Certificate

Status

active

Patent number

07998541

Description

ABSTRACT:
The present invention relates to benzochromene derivatives of the formula Iwhere the various parameters have the meaning indicated in the text, and to liquid-crystal media which comprise these compounds, and to the use of the media in electro-optical displays, in particular in TN, OCB, LCOS and/or IPS-LCDs, and to the use of the compounds and physiologically acceptable derivatives thereof as therapeutic active ingredients.

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Novaroli et al: “Human Recombinant monoamine oxidase B as reliable and efficient enzyme source for screening”, Bioorganic & Medicinal Chemistry, Elsevier Science Ltd, GB, BD. 13, Nr. 22, Nov. 15, 2005, Seiten 6212-6217, XP005098160, ISSN: 0968-0896, Verbindung C-21.
Kim et al.: “Estrogen receptor Ligands. 12. Synthesis of the Major”, Organic Letters, Bd. 7, Nr. 3, May 2005, Seiten 411-414, XP002419869 Verbindung 12.

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