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:
May. 25, 2021
Filed:
May. 16, 2017
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Assignee:
MERCK PATENT GMBH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/58 (2006.01); C09K 19/30 (2006.01); C09K 19/60 (2006.01); E06B 9/24 (2006.01); G02F 1/1335 (2006.01); G02F 1/1337 (2006.01); G02F 1/1343 (2006.01); C09K 19/04 (2006.01);
U.S. Cl.
CPC ...
C09K 19/588 (2013.01); C09K 19/3066 (2013.01); C09K 19/601 (2013.01); E06B 9/24 (2013.01); G02F 1/1337 (2013.01); G02F 1/13439 (2013.01); G02F 1/133528 (2013.01); C09K 2019/0466 (2013.01); E06B 2009/2417 (2013.01); E06B 2009/2464 (2013.01);
Abstract
The present application relates to a liquid-crystalline material comprising a sterically hindered N-oxide and a dye. The invention furthermore relates to the use of the liquid-crystalline material in an optical switching device for regulation of the passage of sunlight.