Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – With bonding or intermediate layer of specified composition
Reexamination Certificate
2004-12-15
2010-02-16
Hon, Sophie (Department: 1794)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
With bonding or intermediate layer of specified composition
C428S001310, C428S3550EN, C349S096000, C349S122000, C156S326000
Reexamination Certificate
active
07662447
ABSTRACT:
An adhesive of the invention for polarizing plates used for forming an adhesive layer in a polarizing plate in which a polarizer and a transparent protective film is are adhering with each other via the adhesive layer, wherein the adhesive for polarizing plates is an aqueous solution containing a polyvinyl alcohol-based resin having an acetoacetyl group and a crosslinking agent, and the aqueous solution has a pH of 4.3 or less. The adhesive of the invention for polarizing plates is good in durability and long in pot life.
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Kameyama Tadayuki
Mizushima Hiroaki
Tomoguchi Naoki
Wada Morimasa
Hon Sophie
Nitto Denko Corporation
Westerman Hattori Daniels & Adrian LLP
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