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:
Aug. 14, 2018
Filed:
Jul. 31, 2013
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
In Sik Jeon, Suwon-si, KR;
Jin Kyu Park, Suwon-si, KR;
Jun Ho Chung, Suwon-si, KR;
Ki Chul Hong, Suwon-si, KR;
Geon Ja Lim, Suwon-si, KR;
Samsung SDI Co., Ltd., Yongin-Si, Gyeonggi-do, KR;
Abstract
Disclosed herein is a coating composition having excellent thermal resistance and drying processability, utilizing polyamic acid having high thermal resistance and excellent solubility in a low boiling point solvent. Specifically, the coating composition includes polyamic acid and a low boiling point solvent having a boiling point less than 150° C. Also, disclosed herein a separator having improved thermal resistance by coating the coating composition on one or both surfaces of a polyolefin-based substrate film, and an electrochemical battery having improved thermal stability by using the separator.