Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1997-07-09
1999-02-16
Angebranndt, Martin
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430945, 369288, 428 648, 540145, G11B 724
Patent
active
058718826
ABSTRACT:
An optical recording medium comprising a substrate, a reflecting layer and a recording layer, which recording layer consists essentially of one or more than one dye of formula (I) or chlorination or bromation products thereof ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other C.sub.1 -C.sub.8 alkyl or C.sub.2 -C.sub.8 alkenyl;
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Baumann Marcus
Schmidhalter Beat
Wolleb Heinz
Angebranndt Martin
Ciba Specialty Chemicals Corporation
Levine Jacob M.
Mansfield Kevin T.
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