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. 02, 2016
Filed:
Nov. 09, 2012
Tosoh Corporation, Yamaguchi, JP;
Sagami Chemical Research Institute, Kanagawa, JP;
Hidenori Aihara, Kanagawa, JP;
Yuji Oka, Kanagawa, JP;
Keisuke Nomura, Kanagawa, JP;
Tsuyoshi Tanaka, Kanagawa, JP;
Naoki Uchida, Kanagawa, JP;
TOSOH CORPORATION, Yamaguchi, JP;
SAGAMI CHEMICAL RESEARCH INSTITUTE, Kanagawa, JP;
Abstract
A cyclic azine compound of formula (1): wherein, Y is C—H or a nitrogen atom, Aris a Caromatic hydrocarbon group, which may be substituted with an Calkyl group or a phenyl group, Aris a hydrogen atom, or a Caromatic hydrocarbon group, which may be substituted with a phenyl group or a pyridyl group, or is a nitrogen-containing condensed ring Caromatic group, Aris a nitrogen-containing condensed ring Caromatic group, X is a phenylene group, and n is an integer in the range of 0-3. The cyclic azine compound is useful as a constituent of an organic electroluminescent device.