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
1991-04-30
1992-12-01
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430495, 430945, 346 76L, 3461351, G11B 724, C09B 4704
Patent
active
051680319
ABSTRACT:
An optical recording element comprising a substrate and as a recording medium a layer comprising a dye having a nucleus of general formula (I): ##STR1## wherein: each Y and Z is independently selected from the group consisting of hydrogen and --XR wherein X is selected from the group consisting of S, Se and Te and R represents an organic radical; with the proviso that one and only one of Y and Z on each phenyl ring must be other than H, and
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Buckingham Mark R.
Ellis Richard J.
Evans Christopher M.
Jackson Andrew C.
Bowers Jr. Charles L.
Griswold Gary L.
Kirn Walter N.
Litman Mark A.
McPherson John A.
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