Process for decolorizing bulk-dyed paper and self copying paper

Details Process for decolorizing bulk-dyed paper and self copying paper Process for decolorizing bulk-dyed paper and self copying paper

D - Textiles, Paper

21

C

9/1

D21C 5/02 (2006.01)

Patent

CA 1281509

ABSTRACT OF THE DISCLOSURE The present invention relates to a process for the decolorization of bulk-dyed paper and self-copying paper. These paper types cannot be decolorized by means of conven- tional de-inking processes or at least not in a manner benefi- cial to the environment while this can be achieved with for- mamidine sulphinic acid.

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