G - Physics – 01 – N
Patent
G - Physics
01
N
150/3.1
G01N 33/84 (2006.01) C07D 233/54 (2006.01) C12Q 1/28 (2006.01) G03C 7/38 (2006.01)
Patent
CA 1095817
Abstract of the Disclosure There are disclosed buffered compositions for detecting either hydrogen peroxide or a substance having peroxidative activity by the catalytic oxidation of a dye- providing material by hydrogen peroxide in the presence of the material having peroxidative activity, which compositions comprise (A) hydrogen peroxide or substance having peroxidative activity, as appropriate, and (B) as the dye-providing material, either (I) a mixture of (a) either a sulfonyl hydrazone of the formula Image or a sulfonyl hydrazone precursor of the formula Image wherein R = alkyl R1 = hydrogen, aryl, alkoxy, halogen or alkyl R? = aryl or alkyl. Image
282150
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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