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. 07, 2017
Filed:
Jul. 18, 2014
Applicants:
Ryota Arai, Shizuoka, JP;
Yoshiki Yanagawa, Shizuoka, JP;
Inventors:
Ryota Arai, Shizuoka, JP;
Yoshiki Yanagawa, Shizuoka, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/12 (2006.01); H01L 51/00 (2006.01); C07D 487/04 (2006.01); C08G 61/12 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0068 (2013.01); C07D 487/04 (2013.01); C08G 61/126 (2013.01); H01L 51/0053 (2013.01); C08G 2261/135 (2013.01); C08G 2261/1412 (2013.01); C08G 2261/1644 (2013.01); C08G 2261/3223 (2013.01); C08G 2261/334 (2013.01); C08G 2261/344 (2013.01); C08G 2261/364 (2013.01); C08G 2261/411 (2013.01); C08G 2261/592 (2013.01); C08G 2261/64 (2013.01); C08G 2261/76 (2013.01); C08G 2261/80 (2013.01); C08G 2261/91 (2013.01); C08G 2261/92 (2013.01); C08G 2261/94 (2013.01); C08G 2261/95 (2013.01); H01B 1/12 (2013.01);
Abstract
A substituent-eliminable diketopyrrolopyrrole derivative represented by the following formula (I) is provided. In the formula (I), R represents a substituted or unsubstituted alkyl group; X represents a substituted or unsubstituted alkyl group; Ar represents a substituted or unsubstituted aromatic group or a substituted or unsubstituted heteroaromatic group; and n represents an integer of from 1 to 4.