Process for making high performance anionic polymeric flocculating agents
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United States of America Patent
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Feb 20, 2001
Grant Date -
N/A
app pub date -
Nov 27, 1996
filing date -
Dec 19, 1988
priority date (Note) -
Expired
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Abstract
Unsheared, water-soluble, branched, high molecular weight, anionic, polymeric flocculants are produced by polymerizing ethylenically unsaturated anionic, and optionally non-ionic, monomers and a branching agent in the presence of a chain-transfer agent. They are useful as flocculating agents for releasing water from dispersions of suspended solids.
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