Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1989-10-04
1990-10-23
Willis, Prince E.
Compositions
Water-softening or purifying or scale-inhibiting agents
252162, 252170, 252172, 252DIG9, 252364, 134 12, 134 38, 134 39, 134 40, C11D 730, C11D 750
Patent
active
049650114
ABSTRACT:
Azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane, and nitromethane are stable and have utility as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
REFERENCES:
patent: 4863630 (1989-09-01), Swan
Basu Rajat S.
Rodgers Joel E.
Swan Ellen L.
Allied-Signal Inc.
Brown Melanie L.
Friedenson Jay P.
Markowski Kathleen
Willis Prince E.
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