D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 9/18 (2006.01) D21C 9/00 (2006.01) D21C 9/02 (2006.01)
Patent
CA 2159748
A method for decreasing the amount of liquid remaining with pulp which will be bleached is disclosed. The addition of a particular anionic or nonionic surfactant is effective for such a purpose. The present inven- tion allows a washing operation to reduce the carryover of contaminants on to the next process.
Betzdearborn Inc.
Borden Ladner Gervais Llp
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