Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1989-09-25
1991-02-19
Willis, Prince E.
Compositions
Water-softening or purifying or scale-inhibiting agents
252162, 252170, 252172, 252364, 252DIG9, 134 12, 134 38, 134 39, 134 40, C11D 730, C11D 750
Patent
active
049942018
ABSTRACT:
Stable azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane, methanol and cyclopentane which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
REFERENCES:
patent: 4894176 (1990-01-01), Swan
Patent application Ser. No.: 362,294 filed, 6/6/89.
Patent application Ser. No.: 297,467 filed, 1/17/89.
Basu Rajat S.
Logsdon Peter B.
Stachura Leonard M.
Swan Ellen L.
Allied-Signal Inc.
Friedenson J. P.
Markowski Kathleen
Szuch Colleen D.
Willis Prince E.
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