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US5457486A Recording sheets containing tetrazolium indolinium, and imidazolinium compounds 失效
含有四唑鎓和咪唑啉化合物的记录纸

Recording sheets containing tetrazolium indolinium, and imidazolinium
compounds
摘要:
Disclosed is a recording sheet which comprises (a) a base sheet; (b) a material selected from the group consisting of tetrazolium compounds, indolinium compounds, imidazolinium compounds, and mixtures thereof; (c) an optional pigment; and (d) an optional binder.
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