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. 27, 2015
Filed:
Dec. 04, 2009
Kee Hae Kwon, Uiwang-si, KR;
IL Jin Kim, Uiwang-si, KR;
Jin Hwa Chung, Uiwang-si, KR;
Sang Ki Park, Uiwang-si, KR;
Ja Kwan Koo, Uiwang-si, KR;
Bok Nam Jang, Uiwang-si, KR;
Jin Hwan Choi, Uiwang-si, KR;
Tae Uk Kim, Uiwang-si, KR;
Byeong Chun Lee, Uiwang-si, KR;
Kee Hae Kwon, Uiwang-si, KR;
Il Jin Kim, Uiwang-si, KR;
Jin Hwa Chung, Uiwang-si, KR;
Sang Ki Park, Uiwang-si, KR;
Ja Kwan Koo, Uiwang-si, KR;
Bok Nam Jang, Uiwang-si, KR;
Jin Hwan Choi, Uiwang-si, KR;
Tae Uk Kim, Uiwang-si, KR;
Byeong Chun Lee, Uiwang-si, KR;
Cheil Industries Inc., Gumi-si, KR;
Abstract
A polycarbonate resin composition can have improved transparency and scratch resistance of the present invention and comprises about 10 to about 99% by weight of polycarbonate resin (A); and about 1 to about 90% by weight of acrylic copolymer with ultra-low molecular weight and high refractive index (B). The resin composition of the present invention can further comprise acrylic resin (C). The acrylic copolymer with ultra-low molecular weight and high refractive index (B) can have a refractive index of about 1.495 to about 1.590 and a weight average molecular weight of about 3,000 to about 40,000 g/mol.