Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1985-04-10
1990-01-16
Chin, Peter
Paper making and fiber liberation
Processes and products
Non-fiber additive
1621683, D21H 338
Patent
active
048941190
ABSTRACT:
A combination of a cationic polymer and a nonionic polymer are employed as a drainage and/or dewatering and/or retention aid. The combination has particular applicability to improving retention and/or drainage in the papermaking industry by addition of the combination to the pulp stock.
REFERENCES:
patent: 4250269 (1981-02-01), Buckman et al.
Baron, Jr. Joseph J.
Farrington Thomas A.
Mahn Frederick R.
Nowakowski Tamara
Chin Peter
Drew Chemical Corporation
Gilfillan, II John G.
Lillie Raymond J.
Olstein Elliot M.
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