Radiation imagery chemistry: process – composition – or product th – Holographic process – composition – or product – Composition or product or process of making the same
Patent
1997-10-30
1999-03-09
Angebranndt, Martin
Radiation imagery chemistry: process, composition, or product th
Holographic process, composition, or product
Composition or product or process of making the same
430 1, 4302811, 4302851, 4302861, 359 3, 522 8, 522 13, 522 15, 522 16, 522 34, G03H 104
Patent
active
058798374
ABSTRACT:
A styrylcoumarin compound jointing a styryl group by--(C.dbd.C)n--portion and having --NR.sub.1 R.sub.2 group, wherein n is an integer of 2 to 4, and each R is a proton or an alkyl group having 1 to 10 carbon atoms. A photopolymerizable composition comprises the styrylcoumarin compound as a photosensitizer, a polymerization initiator and a polymerizable compound. A photocrosslinking composition comprises the styrylcoumarin compound as a photosensitizer, a crosslinking agent and a polymerizable compound. A volume phase hologram recording medium which comprises the styrylcoumarin compound, a crosslinking agent and a polymer comprising a carbazole.
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Kaneko Tadashi
Kobayashi Shin
Matsumura Susumu
Morishima Hideki
Sudo Toshiyuki
Angebranndt Martin
Canon Kabushiki Kaisha
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