Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1989-01-17
1990-01-16
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
134 12, 134 38, 134 39, 134 40, 252162, 252170, 252172, 252364, 252DIG9, C11D 750, C11D 730
Patent
active
048941760
ABSTRACT:
Azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane and methanol 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.
REFERENCES:
patent: 3957530 (1976-05-01), Reusser
patent: 4816174 (1989-03-01), Lund
Basu Rajat S.
Shankland Ian R.
Swan Ellen L.
Allied-Signal Inc.
Friedenson Jay P.
Lieberman Paul
Markowski Kathleen
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