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.

Date of Patent:
Apr. 23, 2013

Filed:

Jul. 07, 2010
Applicants:

Byung-hee Sohn, Yongin-si, KR;

Young-suk Jung, Suwon-si, KR;

Yoo-seong Yang, Giheung-gu, KR;

Sang-mo Kim, Hwaseong-si, KR;

Eun-seog Cho, Seoul, KR;

Inventors:

Byung-Hee Sohn, Yongin-si, KR;

Young-Suk Jung, Suwon-si, KR;

Yoo-Seong Yang, Giheung-gu, KR;

Sang-Mo Kim, Hwaseong-si, KR;

Eun-Seog Cho, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 219/32 (2006.01); C08G 64/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

A polyamic acid that is a condensation reaction product of one or more acid anhydrides and one or more carbonate-based diamine compounds, along with a polyimide obtained by imidizing the polyamic acid, a method of manufacturing the same, and a polyimide film made therefrom.


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