Modified acrylamide polymers used as scale inhibitors

Details Modified acrylamide polymers used as scale inhibitors Modified acrylamide polymers used as scale inhibitors

1986-11-25

1989-01-31

Henderson, Christopher

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210700, 526274, 526287, 526304, C02F 510

Patent

active

048013889

ABSTRACT:
Water supplies are treated to inhibit the formation of scale deposits of alkaline earth phosphates, phosphonates, sulphates and carbonates using various hydrocarbon polymers which contain an amido functionality and which have been prepared by post-polymerization derivatization.

REFERENCES:
patent: 3285886 (1966-11-01), Gunderson
patent: 3709815 (1973-01-01), Boothe
patent: 3709816 (1973-01-01), Walker
patent: 3928196 (1975-12-01), Porslski
patent: 4401587 (1983-08-01), Boffardi
patent: 4446028 (1984-05-01), Becker
patent: 4536292 (1985-08-01), Matz
patent: 4584105 (1986-04-01), Fong
patent: 4604431 (1986-08-01), Fong et al.

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