Bleaching stilbene yellow dyed wood pulp

D - Textiles – Paper – 21 – C

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D21C 5/02 (2006.01) D21C 9/14 (2006.01)

Patent

CA 1129156

10 199 P 92 4636 (a) CANADA BLEACHING STILBENE YELLOW DYED WOOD PULP ABSTRACT OF THE DISCLOSURE Chlorine dioxide is a specific bleaching agent for stilbene yellow dye which has been used to dye paper stock. Chlorine dioxide may be used in amounts as low as 0.25% based on the oven dry weight of the pulp fiber.

344517

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