D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
9/2
D21C 3/02 (2006.01)
Patent
CA 1082859
PULPING PROCESS USING OXYGEN AND SODIUM TETRABORATE ABSTRACT OF THE DISCLOSURE A process of oxygen pulping is disclosed wherein cellulosic material is digested with oxygen in the presence of borax in an amount between 12% and 22%, as Na2O on wood, at a temperature between on 120° and 155°C.
256293
Markham Larry D.
Domtar Inc.
Fox Robert H.
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