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:
Jul. 24, 2018
Filed:
Dec. 17, 2014
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Kiyoshi Ikeda, Sodegaura, JP;
Hironori Kawakami, Katsushika-ku, JP;
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Abstract
A compound represented by formula (1): wherein *a, *b, R, X, L, L, n, A, and Aare as defined in the description, and a production method of the compound represented by formula (1) are provide. In the production method, Ais introduced under a reaction condition in which the reactivity of Halin a compound represented by formula (I): wherein *c, *d, R, X, L, L, n, A, A, Hal, and Halare as defined in the description,is extremely low as compared with that of Haland then Awhich is different from Ais introduced under a reaction condition in which the reactivity of Halis high. The compound represented by formula (1) is formed into a layer by a coating method and meets various performance requirements of an organic EL device.