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:
Mar. 17, 2020
Filed:
Jun. 26, 2014
Applicant:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Inventors:
Satomi Tasaki, Sodegaura, JP;
Masahiro Kawamura, Sodegaura, JP;
Toshinari Ogiwara, Sodegaura, JP;
Hitoshi Kuma, Sodegaura, JP;
Kei Yoshida, Sodegaura, JP;
Keiji Okinaka, Sodegaura, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/06 (2006.01); C07D 209/80 (2006.01); C07D 209/82 (2006.01); C07D 491/048 (2006.01); C07D 209/94 (2006.01); C07D 491/147 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07D 209/80 (2013.01); C07D 209/82 (2013.01); C07D 209/94 (2013.01); C07D 491/048 (2013.01); C07D 491/147 (2013.01); C09K 11/06 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); H01L 51/5012 (2013.01);
Abstract
A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and Dand Dare each independently represented by one of a formula (2), a formula (3) and formula (3x) below, Dand Dbeing optionally mutually the same or different.