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. 06, 2013
Filed:
Mar. 27, 2009
Applicants:
Jun Takeda, Minami-ashigara, JP;
Hiromichi Tachikawa, Minami-ashigara, JP;
Masaya Suzuki, Minami-ashigara, JP;
Mamoru Sakurazawa, Minami-ashigara, JP;
Inventors:
Jun Takeda, Minami-ashigara, JP;
Hiromichi Tachikawa, Minami-ashigara, JP;
Masaya Suzuki, Minami-ashigara, JP;
Mamoru Sakurazawa, Minami-ashigara, JP;
Assignee:
FUJIFILM Corporation, Minato-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
A protective film for polarizers, including a cellulose resin having an acyl substituent with from 2 to 4 carbon atoms and having a degree of acyl substitution of from 2.1 to 2.7, which satisfies 25≦Re≦100 and 50≦Rth≦300 and in which the cellulose resin contributes to expression of at least 40% of the Re in the film.