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.

Date of Patent:
Dec. 08, 2020

Filed:

Mar. 22, 2018
Applicant:

Idemitsu Kosan Co., Ltd., Tokyo, JP;

Inventors:

Masahiro Kawamura, Sodegaura, JP;

Hiroyuki Iwabuchi, Sodegaura, JP;

Tetsuya Masuda, Sodegaura, JP;

Hitoshi Kuma, Sodegaura, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C09K 11/06 (2006.01); C07D 403/14 (2006.01); C07D 209/86 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 209/86 (2013.01); C07D 403/14 (2013.01); C09K 11/06 (2013.01); H01L 51/0052 (2013.01); H01L 51/0067 (2013.01); C09K 2211/1018 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01); H01L 51/0085 (2013.01); H01L 51/5016 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5096 (2013.01); H01L 2251/5384 (2013.01);
Abstract

A composition contains a mixture of at least two compounds, the at least two compounds containing a first compound represented by a formula (1) and a second compound represented by a formula (2). In the formula (1), Rto R, Aand Ainclude five cyclic structures in total each represented by a formula (1a) below. In the formula (2), one of Aand Ais a substituent represented by a formula (2a), and the other thereof is represented by a formula (2b).


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