The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 15, 2020
Filed:
Jun. 20, 2016
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Peer Kirsch, Seeheim-Jugenheim, DE;
Susann Beck, Darmstadt, DE;
Michael Junge, Pfungstadt, DE;
Ursula Patwal, Reinheim, DE;
Mila Fischer, Muehltal, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); H01L 51/00 (2006.01); C07D 487/04 (2006.01); G02B 5/22 (2006.01); C09K 19/34 (2006.01); C09K 19/60 (2006.01); C07D 487/22 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 487/04 (2013.01); C07D 487/22 (2013.01); C09K 19/3477 (2013.01); C09K 19/3488 (2013.01); C09K 19/60 (2013.01); G02B 5/223 (2013.01); H01L 51/0068 (2013.01); H01L 51/504 (2013.01);
Abstract
Novel dithiopyrrolopyrrole derivatives having dichroic properties which have very high photostability in solution in a liquid-crystalline host are proposed.