D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
9/36.7
D21C 11/00 (2006.01) C02F 5/10 (2006.01) C08L 33/02 (2006.01) C08L 35/08 (2006.01) D21C 11/10 (2006.01)
Patent
CA 1144714
ABSTRACT A method is disclosed for inhibiting soft scale precipi- tation in black liquor systems by adding thereto a treatment com- prising in combination polyacrylic acid and methyl vinyl ether/ maleic anhydride copolymer.
345827
Jacques Donald F.
Klaessig Frederick C.
Betz Laboratories Ltd./ltee
Borden Ladner Gervais Llp
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