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. 15, 2018
Filed:
Mar. 29, 2016
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); B32B 7/10 (2006.01); G02B 1/14 (2015.01);
U.S. Cl.
CPC ...
G02B 1/14 (2015.01); B32B 7/10 (2013.01); G02B 5/305 (2013.01);
Abstract
There is provided a cellulose acylate film including a core layer and a skin layer, in which a mixed layer is formed between the core layer and the skin layer, wherein a cellulose acylate included in the core layer has an average acyl substitution degree Sof 2.00 to 2.55, a cellulose acylate included in the skin layer has an average acyl substitution degree Sof 2.60 to 2.95, and an average acyl substitution degree Sof the cellulose acylate of the mixed layer satisfies Equation (A1), and the mixed layer has a thickness of 100 nm to 300 nm: Equation (A1): S+0.05×(S−S)<S<S−0.05×(S−S).