Polarizing plate protective film, polarizing plate and liquid crystal display device
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United States of America Patent
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May 21, 2013
Grant Date -
Feb 28, 2008
app pub date -
Jul 25, 2007
filing date -
Jul 31, 2006
priority date (Note) -
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Abstract
A polarizing plate protective film comprising a cellulose ester, and a saccharide ester compound in which all or a part of OH groups in Compound (A) or in Compound (B) are esterified, wherein Compound (A) consists of one of a furanose structure and a pyranose structure, and Compound (B) consists of two to twelve of at least one type of a furanose structure and a pyranose structure which are bonded in Compound (B); wherein the polarizing plate protective film exhibits Ro of 0-10 nm and Rt of −30 to +20 nm.
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