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:
Feb. 12, 2019
Filed:
Nov. 19, 2014
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Qiong Tong, Darmstadt, DE;
Peer Kirsch, Seeheim-Jugenheim, DE;
Michael Junge, Pfungstadt, DE;
Ursula Patwal, Reinheim, DE;
Andreas Beyer, Hanau, DE;
Assignee:
MERCK PATENT GMBH, Darmstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B 57/00 (2006.01); C09K 19/60 (2006.01); G02F 1/1337 (2006.01);
U.S. Cl.
CPC ...
C09B 57/004 (2013.01); C09K 19/60 (2013.01); G02F 1/1337 (2013.01);
Abstract
Mixtures containing at least one dye compound having a diketopyrrolopyrrole structure and at least one further liquid-crystalline compound are suitable for use in devices for regulating the entry of light into a space.