Stock material or miscellaneous articles – Circular sheet or circular blank
Reexamination Certificate
2006-05-09
2006-05-09
Mulvaney, Elizabeth (Department: 1774)
Stock material or miscellaneous articles
Circular sheet or circular blank
C428S064800, C430S270200
Reexamination Certificate
active
07041354
ABSTRACT:
Optical data carrier comprising a preferably transparent substrate which may, if desired, have previously been coated with one or more reflection layers and to whose surface a light-writeable information layer, if desired one or more reflection layers and if desired a protective layer or a further substrate or a covering layer have been applied, which can be written on or read by means of blue, red or infrared light, preferably laser light, where the information layer comprises a light-absorbent compound and, if desired, a binder, characterized in that at least one cyanine dye is used as light-absorbent compound.
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Berneth Horst
Bieringer Thomas
Bruder Friedrich-Karl
Haese Wilfried
Hagen Rainer
Bayer Aktiengesellschaft
Denesvich Jill
Mulvaney Elizabeth
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