D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
8/80
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
Gupta Maharaj K.
Osler Hoskin & Harcourt Llp
Weyrhaeuser Company
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