D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
8/79
D21C 9/12 (2006.01) D21C 9/14 (2006.01)
Patent
CA 1105205
C.I.P. 2418-C SIMPLIFIED BLEACHING PROCESS Abstract of the Disclosure A multi-stage, bleaching process for alkaline cooked pulps, including at least four bleaching stages and no more than three washing steps, is provided, wherein certain of the bleaching stages are shortened to less than about 15 minutes.
329193
Canadian International Paper Company
Osler Hoskin & Harcourt Llp
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