Diallyl dimethyl ammonium chloride copolymers in deinking proces

Details Diallyl dimethyl ammonium chloride copolymers in deinking proces Diallyl dimethyl ammonium chloride copolymers in deinking proces

1992-06-19

1993-05-04

Silverman, Stanley S.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210917, 210928, 162 5, C02F 156

Patent

active

052079244

ABSTRACT:
Novel copolymers of polydiallyl dimethyl ammonium chloride and 3-acrylamido-3-methylbutanoic acid are useful in the clarification of deinking paper mill waste water resulting from the processing of recycled paper stock.

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patent: 4835234 (1989-05-01), Valint et al.
patent: 5013456 (1991-05-01), St. John et al.

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