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:
Nov. 25, 2025

Filed:

Oct. 30, 2019
Applicant:

Pi Advanced Materials Co., Ltd., Chungcheongbuk-do, KR;

Inventors:

In Hwan Hwang, Seoul, KR;

Gyeong Hyeon Ro, Gyeongsangnam-do, KR;

Ik Sang Lee, Gyeongsangbuk-do, KR;

Assignee:

PI ADVANCED MATERIALS CO., LTD., Chungcheongbuk-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/26 (2006.01); C08G 73/10 (2006.01); C09D 179/08 (2006.01); H01B 3/30 (2006.01);
U.S. Cl.
CPC ...
C08G 69/265 (2013.01); C08G 73/1085 (2013.01); C09D 179/08 (2013.01); H01B 3/306 (2013.01);
Abstract

The present application relates to a polyamic acid composition, a method for preparing the polyamic acid composition, a polyimide comprising the same, and a coating material comprising the same, which provides a polyamic acid composition capable of implementing a low permittivity and heat resistance, and insulation properties, adhesion and mechanical properties in a harsh condition such as a high temperature simultaneously, a method for preparing the polyamic acid composition, a polyimide comprising the same and a coating material comprising the same.


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