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:
Mar. 27, 2012
Filed:
Nov. 22, 2007
Takatugu Suzuki, Tokyo, JP;
Takashi Murakami, Tokyo, JP;
Takatugu Suzuki, Tokyo, JP;
Takashi Murakami, Tokyo, JP;
Konica Minolta Opto, Inc., Tokyo, JP;
Abstract
The present invention can provide cellulose ester pellets, a cellulose ester film, a manufacturing method thereof, a polarizing plate and a liquid crystal display which minimize a manufacturing load, a facility load and an environmental load, each being given by evaporation or recovery (collection) of solvents and which have excellent optical properties, less coloring and high processing stability, and its manufacturing method. The cellulose ester pellets contains cellulose ester and at least one combination selected from combination A, combination B and combination C, the cellulose ester pellets containing the at least one combination in an amount of from 0.001 to 1.00% by weight based on the cellulose ester, wherein the combination A is a combination of a compound represented by formula (1) and a compound represented by formula (2), the combination B is a combination of a compound represented by formula (3) and a compound represented by formula (4), and the combination C is a combination of a compound represented by formula (5) and a compound represented by formula (6).