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Title:
DITHIO-ALKYL-PYRROLO-PYRROLES AND USE THEREOF AS DYES
Document Type and Number:
WIPO Patent Application WO/2017/008880
Kind Code:
A1
Abstract:
The invention relates to novel dithiopyrrolo-pyrrole-derivatives with dichroic properties which have a very high light fastness in solutions in a fluid-crystalline host.

Inventors:
KIRSCH PEER (DE)
BECK SUSANN (DE)
JUNGE MICHAEL (DE)
PATWAL URSULA (DE)
FISCHER MILA (DE)
Application Number:
PCT/EP2016/001048
Publication Date:
January 19, 2017
Filing Date:
June 20, 2016
Export Citation:
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Assignee:
MERCK PATENT GMBH (DE)
International Classes:
C07D487/04; C08K5/3415; C09D17/00; G02B5/22
Domestic Patent References:
WO2009141295A12009-11-26
WO2009141295A12009-11-26
WO2013004677A12013-01-10
WO2004090046A12004-10-21
WO1982002054A11982-06-24
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GANG QIAN ET AL: "Synthesis and study of low-bandgap polymers containing the diazapentalene and diketopyrrolopyrrole chromophores for potential use in solar cells and near-infrared photodetectors", JOURNAL OF MATERIALS CHEMISTRY, vol. 22, no. 25, 1 January 2012 (2012-01-01), GB, pages 12867, XP055295265, ISSN: 0959-9428, DOI: 10.1039/c2jm30868a
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