Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1989-12-22
1991-06-25
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 730, C11D 750
Patent
active
050265016
ABSTRACT:
Azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane; dichlorotrifluoroethane; and dichloromethane 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: 4836947 (1989-06-01), Lund et al.
patent: 4842764 (1989-06-01), Lund et al.
patent: 4863630 (1989-09-01), Swan et al.
Basu Rajat S.
Logsdon Peter B.
Stachura Leonard M.
Swan Ellen L.
Allied-Signal Inc.
Beadles-Hay A.
Brown Melanie L.
Friedenson Jay P.
Lieberman Paul
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