Production process of composite optical filter

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United States of America Patent

PATENT NO 5793544
SERIAL NO

08554275

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Abstract

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A component optical filter and a process for production of the filter includes the steps of arranging a pair of transparent plates, at least one of which has an optical low-pass filtering function, to oppose each other with a gap therebetween and filling the gap with a monomer composition of the formula PO(OH).sub.n R.sub.3 -n wherein R is a polymerizable functional group represented by CH.sub.2 .dbd.CXCOO(C.sub.2 H.sub.4 O).sub.m- and (c) a metallic compound composed of a copper compound, and then subjecting the monomer composition to a polymerization treatment. The result is a laminated composite filter having at least one optical low-pass filter and an intermediate layer forming a luminosity factor-compensating filter.

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Patent Owner(s)

Patent OwnerAddress
KUREHA KAGAKU KOGYO KABUSHIKI KAISHA9-11 HORIDOME-CHO 1-CHOME NIHONBASHI CHUO-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Katono, Hiroki Iwaki, JP 16 174
Ogihara, Takeo Iwaki, JP 17 195
Sakagami, Teruo Iwaki, JP 40 570
Shouji, Masuhiro Iwaki, JP 7 77

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