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:
Aug. 05, 2014
Filed:
Mar. 16, 2011
Applicants:
Tsuyoshi Tanaka, Ayase, JP;
Mayumi Abe, Ayase, JP;
Nobumichi Arai, Ayase, JP;
Naoki Uchida, Ayase, JP;
Takashi Iida, Ayase, JP;
Inventors:
Tsuyoshi Tanaka, Ayase, JP;
Mayumi Abe, Ayase, JP;
Nobumichi Arai, Ayase, JP;
Naoki Uchida, Ayase, JP;
Takashi Iida, Ayase, JP;
Assignee:
Tosoh Corporation, Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/04 (2006.01); C07D 213/06 (2006.01);
U.S. Cl.
CPC ...
C07D 213/06 (2013.01);
Abstract
A 1,2,4,5-substituted phenyl compound represented by the formula (1): wherein one of X-Xis nitrogen and the remainders of X-Xare carbon; Rand Rrepresent hydrogen, Calkyl or Calkoxy; Rand Rrepresent Calkyl or Calkoxy; and m is an integer of 0-4, and n is an integer of 0-5. This compound is useful as a constituent for an organic electroluminescent device.