Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1988-01-05
1989-05-23
Clingman, A. Lionel
Compositions
Water-softening or purifying or scale-inhibiting agents
252127, 252165, 252171, 25217422, 252DIG1, 252DIG8, C11D 750
Patent
active
048328650
ABSTRACT:
A composition comprises: (A) chlorine-containing organic solvent selected from the group consisting of methylchloroform, trichloroethylene, perchlorethylene, and mixtures thereof, and (B) non-ionic surfactant selected from the group consisting of ##STR1## or mixtures thereof, wherein: (C) each R is independently straight or branched alkyl containing from about 8 to about 24 carbon atoms or ##STR2## (D) each R' is independently straight or branched alkyl containing from about 8 to about 18 carbon atoms, (E) each Z is independently fluoro, chloro, bromo, or alkoxy containing from 1 to about 4 carbon atoms, (F) the average value of a is in the range of from 0 to about 100, (G) the average value of b is in the range of from 0 to about 60, (H) the average value of c is in the range of from 0 to about 50, (I) the sum of the average values of a, b, and c is in the range of from 3 to about 150, (J) the sum of the average values of d and f is in the range of from 2 to about 50, (K) the average value of e is in the range of from 2 to about 60, (L) the average value of g is in the range of from 2 to about 50, (M) the average value of n is in the range of from 0 to about 2, and (N) the composition is essentially free of methylene chloride.
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Krivak Sandra L.
Nehmsmann Louis J.
Sare Edward J.
Williams, Jr. William A.
Clingman A. Lionel
Morris George D.
PPG Industries Inc.
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