A method for obtaining colorful leaves registry copyers. (Machine-translation by Google Translate, not legally binding)

摘要

A method for obtaining colorless registration copier sheets, characterized in that it consists of applying to a support a coating containing a substantially colorless dyeing salt in which the cation is the intensely colored cation of an arylmethane dye base having a logarithmic dissociation constant below 7 and the anion is chosen in the group consisting of the anion of the hydrazoic acid and the anion of the organic sulfinic acid. (Machine-translation by Google Translate, not legally binding)