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. 18, 2012
Filed:
Oct. 27, 2009
Yi-yeol Lyu, Yongin-si, KR;
Kook-heon Char, Seoul, KR;
Chang-hee Lee, Seoul, KR;
Jeong-hun Kwak, Seoul, KR;
Yi-yeol Lyu, Yongin-si, KR;
Kook-heon Char, Seoul, KR;
Chang-hee Lee, Seoul, KR;
Jeong-hun Kwak, Seoul, KR;
Abstract
A carbazole compound represented by Formula 1: wherein X, Xand Xare each independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted C-Calkyl group, a substituted or unsubstituted C-Calkoxy group, a substituted or unsubstituted C-Caryl group, a substituted or unsubstituted C-Carylalkyl group, a substituted or unsubstituted C-Cheteroaryl group, a substituted or unsubstituted C-Ccycloalkyl group and a substituted or unsubstituted C-Cheterocycloalkyl group; and l, m and n are each independently an integer from 0 to 5.