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:
Sep. 30, 2014
Filed:
Jun. 02, 2010
Shinichi Ishikawa, Shunan, JP;
Naoki Matsumoto, Shunan, JP;
Takanori Miyazaki, Shunan, JP;
Yasushi Hara, Shunan, JP;
Shinichi Ishikawa, Shunan, JP;
Naoki Matsumoto, Shunan, JP;
Takanori Miyazaki, Shunan, JP;
Yasushi Hara, Shunan, JP;
Tosoh Corporation, Yamaguchi, JP;
Abstract
An amine derivative represented by the following general formula (1) and exhibiting a temperature difference of 30° C. or more as defined by the difference of [decomposition temperature (° C.) minus sublimation temperature (° C.)]: wherein Rand Rindependently represent a substituted or unsubstituted Caryl or Cheteroaryl group; and Rand Rindependently represent a hydrogen atom, a straight-chain, branched or cyclic Calkyl or Calkoxy group, or a substituted or unsubstituted Caryl or Cheteroaryl group, provided that Rand Rmay form together a cyclic hydrocarbon group. The amine derivative is useful as an organic electroluminescent material.