Polyimide resin compositions for optical filters

Compositions – Light transmission modifying compositions – Infrared

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252582, 359885, 106 3127, F21V 904, G02B 522, C09D 1100

Patent

active

059164883

ABSTRACT:
A printing ink for an optical filter, comprising a polyimide resin containing at least one perfluoroalkyl group in each recurring structural unit, at least one dyestuff soluble in the resin, the dyestuff having absorption in the visible range and/or the near infrared range and a solvent.

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Patent Abstracts of Japan, vol. 008, No. 125 (P-279), Jun. 12, 1984 & JP-A-59029225 (Matsushita Denki Sangyo KK), Feb. 16, 1984 *abstract*.
Patent Abstracts of Japan, vol. 012, No. 028 (C-471), Jan. 27, 1988 & JP-A-62179565 (Nitto Electric Ind. Co. Ltd.), Aug. 6, 1987 *abstract*.
Patent Abstracts of Japan, vol. 013, No. 589 (C-670), Dec. 25, 1989 & JP-A-01247461 (Japan Synthetic Rubber Co. Ltd.), Oct. 3, 1989 *abstract* .

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