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:
Feb. 10, 2015
Filed:
Sep. 27, 2013
Toshiya Sagisaka, Kanagawa, JP;
Satoshi Yamamoto, Kanagawa, JP;
Takashi Okada, Kanagawa, JP;
Masato Shinoda, Kanagawa, JP;
Daisuke Goto, Kanagawa, JP;
Shinji Matsumoto, Kanagawa, JP;
Masataka Mohri, Fukuoka, JP;
Keiichiro Yutani, Kanagawa, JP;
Takuji Kato, Fukuoka, JP;
Takanori Tano, Chiba, JP;
Toshiya Sagisaka, Kanagawa, JP;
Satoshi Yamamoto, Kanagawa, JP;
Takashi Okada, Kanagawa, JP;
Masato Shinoda, Kanagawa, JP;
Daisuke Goto, Kanagawa, JP;
Shinji Matsumoto, Kanagawa, JP;
Masataka Mohri, Fukuoka, JP;
Keiichiro Yutani, Kanagawa, JP;
Takuji Kato, Fukuoka, JP;
Takanori Tano, Chiba, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An ink containing an organic semiconductive material precursor containing a dithienobenzodithiophene derivative of the following formula: X and Y are groups capable of bonding together upon application of an external stimulus to form a compound X—Y that is capable of eliminating from the dithienobenzodithiophene derivative; Rand Rare each independently a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group; and Rto Rare each independently a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkylthio group, or a substituted or unsubstituted aryl group.