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:
Mar. 19, 2019
Filed:
Sep. 13, 2013
Lotte Advanced Materials Co., Ltd., Yeosu-si, KR;
Jun Ho Chi, Uiwang-si, KR;
O Sung Kwon, Uiwang-si, KR;
Jong Chan Hur, Uiwang-si, KR;
Hyuck Man Kwon, Uiwang-si, KR;
Dong Geun Lee, Uiwang-si, KR;
Woo Suk Chei, Uiwang-si, KR;
Bok Nam Jang, Uiwang-si, KR;
Lotte Advanced Materials Co., Ltd., Yeosu-si, KR;
Abstract
A polycarbonate resin includes a repeat unit represented by Formula 1; a repeat unit represented by Formula 2; and a repeat unit represented by Formula 3, wherein the polycarbonate resin has a weight average molecular weight of about 15,000 g/mol to about 60,000 g/mol and a melt index of about 3 g/10 min to about 40 g/10 min.: wherein R, R, R, R, a, b, c, and d are the same as defined in the specification. The polycarbonate resin for film can exhibit excellent scratch resistance, elongation, chemical resistance and heat resistance, and can be used to prepare a film in roll form without any protective film.