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:
Jan. 07, 2014
Filed:
Sep. 07, 2011
Applicants:
Eun Seog Cho, Seoul, KR;
Byung Hee Sohn, Yongin-si, KR;
Young Suk Jung, Suwon-si, KR;
Yoo Seong Yang, Yongin-si, KR;
Sang MO Kim, Hwaseong-si, KR;
Inventors:
Eun Seog Cho, Seoul, KR;
Byung Hee Sohn, Yongin-si, KR;
Young Suk Jung, Suwon-si, KR;
Yoo Seong Yang, Yongin-si, KR;
Sang Mo Kim, Hwaseong-si, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 283/04 (2006.01); C08G 69/48 (2006.01); C08G 69/08 (2006.01); C08G 18/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polyimide precursor composition includes a polyamic acid including a repeating unit represented by Chemical Formula 1 and diisocyanate represented by Chemical Formula 2. OCN-A-NCO  Chemical Formula 2 The diisocyanate represented by Chemical Formula 2 is included in an amount of about 0.01 moles to about 10 moles based on 100 moles of the repeating unit represented by Chemical Formula 1 in the polyamic acid.