Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1992-03-16
1993-06-15
Skaling, Linda
Compositions
Water-softening or purifying or scale-inhibiting agents
134 12, 134 31, 134 38, 134 40, 134 42, 252153, 252162, 252170, 252364, 252DIG9, C11D 730, C11D 750, C23G 5028
Patent
active
052194884
ABSTRACT:
Azeotrope-like compositions comprising 2-trifluoromethyl-1,1,1,2-tetrafluorobutane and ethanol or isopropanol and optionally nitromethane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards and dry cleaning.
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Basu Rajat S.
Hollister Richard M.
Swan Ellen L.
Allied-Signal Inc.
Brown Melanie L.
Friedenson Jay P.
Skaling Linda
Webster Darryl L.
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