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. 28, 2026
Filed:
Mar. 11, 2021
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Yuki Nakano, Tokyo, JP;
Satomi Tasaki, Tokyo, JP;
Kazuki Nishimura, Tokyo, JP;
Hiroaki Itoi, Tokyo, JP;
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Abstract
A compound represented by a formula (1) and having at least one deuterium atom is provided. In the formula (1), n is 1 to 4, Lis a divalent group or a group represented by a formula (11) and Rto Rand Rto Rare each independently a hydrogen atom or a substituent, where the compound represented by the formula (1) does not include a group represented by —N(R) (R) and Rand Rare each independently a hydrogen atom, an alkyl group having 1 to 50 carbon atoms, or the like. In the formula (11), Xis an oxygen atom or a sulfur atom, Yto Yare each independently CRor a nitrogen atom, and two of Rare a single bond bonded with *a or other Land a single bond bonded with *b or other L.