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. 11, 2025
Filed:
Mar. 30, 2021
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 30/30 (2023.01); C07F 7/02 (2006.01); H10K 85/30 (2023.01);
U.S. Cl.
CPC ...
C07F 7/025 (2013.01); H10K 30/30 (2023.02); H10K 85/311 (2023.02);
Abstract
A composition contains a naphthalocyanine derivative represented by the following formula: where Rto Rare independently an alkyl group and Rto Rare independently an aryl group, and at least one hydrogen atom in at least one selected from the group consisting of R, R, R, and Ris substituted by an electron-withdrawing group.