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:
May. 10, 2016
Filed:
Feb. 24, 2010
Applicants:
Hee-jung Kim, Daejeon, KR;
Dong-ryul Kim, Daejeon, KR;
Boong-goon Jeong, Daejeon, KR;
Inventors:
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/00 (2006.01); C09D 5/00 (2006.01); C09D 4/00 (2006.01); C09D 131/00 (2006.01); C08L 33/06 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
C09D 5/002 (2013.01); C09D 4/00 (2013.01); C09D 131/00 (2013.01); C08L 33/06 (2013.01); G02F 1/133528 (2013.01); Y10T 428/10 (2015.01); Y10T 428/1036 (2015.01); Y10T 428/1059 (2015.01); Y10T 428/265 (2015.01); Y10T 428/31928 (2015.04);
Abstract
The present invention relates to a primer coating composition, an optical film including the same, and a polarizing plate including the same, the primer coating composition according to the present invention includes 1) a polyvinyl alcohol compound including the acetoacetyl group; 2) an acrylate compound that includes at least two vinyl groups; and 3) a basic catalyst, and an optical film that includes a primer layer formed from the primer coating composition has excellent transparency, optical property, mechanical strength, and attaching property to the polyvinyl alcohol polarizer.