Method for producing transparent polymer film, transparent polymer film produced by the method, retardation film, polarizer, and liquid-crystal display device

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Apr 9, 2013
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Feb 5, 2009
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Jul 29, 2008
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Jul 30, 2007

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Abstract

A method for producing a transparent polymer film, comprising heat-treating a polymer film containing a polymer and a plasticizer having a number-average molecular weight of from 500 to 10000 and having a repetitive unit, at a temperature T (unit, ° C.) satisfying the following formula (1):

description='In-line Formulae' end='lead'Tc≦T₀ (1)description='In-line Formulae' end='tail'

wherein Tc means the crystallization temperature of the polymer film and Tm₀means the melting point of the polymer film.

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10 France

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FUJIFILM CORPORATION 26-30 NISHIAZABU 2-CHOME MINATO-KU TOKYO 1068620 JAPAN

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B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....

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Mukunoki, Yasuo Minami-ashigara, JP 52 553

Sasada, Yasuyuki Minami-ashigara, JP 108 492

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Patent Owner	Address
FUJIFILM CORPORATION	26-30 NISHIAZABU 2-CHOME MINATO-KU TOKYO 1068620 JAPAN

Inventor Name	Address	# of filed Patents	Total Citations
Mukunoki, Yasuo	Minami-ashigara, JP	52	553
Sasada, Yasuyuki	Minami-ashigara, JP	108	492

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Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED PUBLICATION/PATENT NO. PUBLICATION TYPE

April 09, 2013 US,8414803,B2 US8414803B2 GRANTED PATENT AS SECOND PUBLICATION

February 05, 2009 US,20090032995,A1 US20090032995A1 FIRST PUBLISHED PATENT APPLICATION

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US Patent No: 8414803

Method for producing transparent polymer film, transparent polymer film produced by the method, retardation film, polarizer, and liquid-crystal display device

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Method for producing transparent polymer film, transparent polymer film produced by the method, retardation film, polarizer, and liquid-crystal display device

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United States of America Patent

12181748

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PATENT NO	8414803
APP PUB NO	20090032995A1
SERIAL NO	12181748
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US Family Size	Non-US Coverage
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DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
April 09, 2013	US,8414803,B2 US8414803B2	GRANTED PATENT AS SECOND PUBLICATION
February 05, 2009	US,20090032995,A1 US20090032995A1	FIRST PUBLISHED PATENT APPLICATION

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