D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 1/00 (2006.01) D21C 1/10 (2006.01) D21C 3/00 (2006.01) D21C 9/10 (2006.01)
Patent
CA 2643780
A mechanical pulping method including: defibrating a comminuted cellulosic material; mechanically refining the defibrated cellulosic material in a primary refining step; introducing to the cellulosic material at least one of a chemical agent and a biological during the defibration step or the mechanical refining step, and producing pulp from the refined and defibrated cellulosic material.
Aichinger Johann
Grossalber Johann
Hill Jan
Sabourin Marc
Andritz Inc.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
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