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. 20, 2021
Filed:
Oct. 22, 2020
Applicant:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Inventors:
Ryoji Maeda, Sodegaura, JP;
Tasuku Haketa, Sodegaura, JP;
Kazuki Nishimura, Sodegaura, JP;
Masato Nakamura, Sodegaura, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07C 13/08 (2006.01); C07D 221/18 (2006.01); C07D 241/36 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); H01L 51/006 (2013.01); H01L 51/0073 (2013.01);
Abstract
A mixture contains a first compound and a second compound, in which the first compound has at least one of a first cyclic structure represented by a formula (11) below and a second cyclic structure represented by a formula (12) below, and the second compound is a compound represented by a formula (21) or a compound represented by a formula (22) below, and a total mass MT of the first and second compounds and a mass Mof the second compound in the mixture satisfy a relationship of a numerical formula (Numerical Formula 1) below,