Radiant energy – Invisible radiation responsive nonelectric signalling – Optical change type
Reexamination Certificate
2007-08-15
2011-11-01
Kim, Kiho (Department: 2884)
Radiant energy
Invisible radiation responsive nonelectric signalling
Optical change type
Reexamination Certificate
active
08049186
ABSTRACT:
The present application provides a composition showing a color change depending on the absorbed radiation-dose, comprising (a) an acid responsive colorant; (b) a photolatent acid; characterized in that (b) is a sulfonyloxime ester compound; and its use as a radiation dose indicator.
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Copending U.S. Appl. No. 12/308,279, filed Dec. 11, 2008.
Dietliker Kurt
Jung Tunja
Lehmann Urs
Studer Katia
BASF SE
Kim Kiho
Zhuo Qi
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