D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
9/16.5
D21C 3/02 (2006.01) D21C 3/22 (2006.01) D21C 9/10 (2006.01)
Patent
CA 1088261
ABSTRACT OF THE DISCLOSURE Delignification of a lignocellulosic material is effected by means of an oxygen containing gas in an alkaline aqueous solu- tion containing a water-soluble oxygen-transferring agent at an elevated temperature.
248067
Sjostrom Eero V.
A. Ahlstrom Osakeyhtio
Gowling Lafleur Henderson Llp
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