Inhibition method

Details Inhibition method Inhibition method

1989-03-16

1990-04-10

Henderson, Christopher

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

252 8551, C02F 100

Patent

active

049158457

ABSTRACT:
Water soluble polymers comprising at least one mole percent of a recurring monomer unit represented by the chemical structure ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently hydrogen or C.sub.1 -C.sub.6 alkyl; and X is hydrogen, an alkali or alkaline earth metal or ammonium are disclosed.

REFERENCES:
patent: 3410835 (1968-11-01), Mazzolini et al.
patent: 3426104 (1969-02-01), Masson
patent: 3781248 (1973-12-01), Sakai
patent: 4163089 (1979-07-01), Palethorpe
patent: 4265970 (1981-05-01), Bach
patent: 4293613 (1981-10-01), Bach et al.
patent: 4294884 (1981-10-01), Bach et al.
patent: 4595736 (1986-06-01), Patel

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