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. 04, 2015
Filed:
Aug. 29, 2011
Applicants:
Myoung Lae Kim, Seoul, KR;
Jee Young Ahn, Seoul, KR;
Hyuk Jun Kim, Daejeon, KR;
Ki Yup Kim, Seoul, KR;
Sung Ho Son, Daejeon, KR;
Yong Gyun Cho, Daejeon, KR;
Won Yeob Kim, Daejeon, KR;
Jun Tae Choi, Daejeon, KR;
Inventors:
Myoung Lae Kim, Seoul, KR;
Jee Young Ahn, Seoul, KR;
Hyuk Jun Kim, Daejeon, KR;
Ki Yup Kim, Seoul, KR;
Sung Ho Son, Daejeon, KR;
Yong Gyun Cho, Daejeon, KR;
Won Yeob Kim, Daejeon, KR;
Jun Tae Choi, Daejeon, KR;
Assignee:
SK Innovation Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/38 (2006.01); C08L 1/14 (2006.01); C08K 5/33 (2006.01); C08J 5/18 (2006.01); C08K 5/45 (2006.01); C08L 1/12 (2006.01); G02B 1/04 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
C08K 5/33 (2013.01); C08J 5/18 (2013.01); C08K 5/45 (2013.01); C08L 1/12 (2013.01); G02B 1/04 (2013.01); G02B 5/3083 (2013.01); C08J 2301/12 (2013.01);
Abstract
Provided is a cellulose acetate film used for optical compensation and, in particular, a cellulose acetate film having a low retardation value Rin the film thickness direction.