LENS FOR GLASSES AND PROCESS FOR PRODUCING THE SAME

Title:

LENS FOR GLASSES AND PROCESS FOR PRODUCING THE SAME

Document Type and Number:

WIPO Patent Application WO/2005/069061

Kind Code:

A1

Abstract:

A lens for glasses and an optical transparent molding which are formed from a polycarbonate resin composition comprising (1) 100 parts by weight of a polycarbonate resin (A), (2) 0.05 to 0.5 parts by weight of at least one ultraviolet absorber (B) selected from the group consisting of 2-(2'-hydroxy-5'-methylphenyl)benzotriazole (B-1) and 2-(2'-hydroxy-5'-tert-octylphenyl)benzotriazole (B-2), (3) 0.01 to 0.3 parts by weight of at least one ultraviolet absorber (C) selected from the group consisting of 2-(3-tert-butyl5-methyl-2-hydroxyphenyl)-5-chlorobenzo-triazole (C-1), 2,2'-methylenebis[4-(1,1,3,3-tetramethyl-butyl)-6-(2H-benzotriazol)-2-ylphenol] (C-2), and 2-[2-hydroxy-3,5-bis(&agr ,&agr -dimethylbenzyl)phenyl]-2H-benzo-triazole (C-3), and (4) 0.0005 to 0.1 part by weight of a lactone compound having a specific structure.

Inventors:

IKARI KEIZO (JP)
ARIKI JIRO (JP)

Application Number:

PCT/JP2005/000940

Publication Date:

July 28, 2005

Filing Date:

January 19, 2005

Export Citation:

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Assignee:

TEIJIN CHEMICALS LTD (JP)
IKARI KEIZO (JP)
ARIKI JIRO (JP)

International Classes:

C08K5/13; C08K5/1535; C08K5/3435; C08K5/52; C08L69/00; G02B1/04; G02C7/02; (IPC1-7): G02C7/02; C08K5/13; C08K5/1535; C08K5/52; C08L69/00

Foreign References:

JP2003301101A	2003-10-21
JPH1180563A	1999-03-26
JPH1180569A	1999-03-26
JP2001526711A	2001-12-18
JPH08314240A	1996-11-29
JP2004204068A	2004-07-22
EP0786675A2	1997-07-30

Other References: