US PATENT SUBCLASS 210 / 701
.~.~.~ Acrylic polymer


Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

600  DF  PROCESSES {14}
696  DF  .~ Preventing, decreasing, or delaying precipitation, coagulation or flocculation {2}
698  DF  .~.~ Utilizing organic agent {2}
701.~.~.~ Acrylic polymer


DEFINITION

Classification: 210/701

Acrylic polymer:

(under subclass 698) Process wherein the organic compound contains recurring units formed by the addition reaction of acrylic acid, alpha-substituted acrylic acid or functional deriatives of such acids.

(1) Note. The functional derivatives include the salts, esters, nitriles, amides, acyl halides, and anhydrides of the acids. The compound may include units of other monomers such as, e.g., stryrene or butadiene.