Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1990-08-15
1993-03-02
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
134 12, 134 31, 134 38, 134 39, 134 40, 252153, 252162, 252170, 252364, 252DIG9, C11D 730, C11D 750, C23G 5028, B08B 300
Patent
active
051906856
ABSTRACT:
Stable azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane, ethanol and cyclopentane which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
REFERENCES:
patent: 4863630 (1989-09-01), Swan et al.
patent: 4994201 (1991-02-01), Stachura et al.
patent: 5026502 (1991-06-01), Logsdon et al.
patent: 5039444 (1991-08-01), Lund et al.
Application Ser. No. 361,512 to E. A. E. Lund et al., filed Jun. 5, 1989.
Application Ser. No. 439,752 to E. L. Swan et al., filed Jun. 6, 1990.
Basu Rajat S.
Logsdon Peter B.
Stachura Leonard M.
Swan Ellen L.
Allied-Signal Inc.
Friedenson Jay P.
Lieberman Paul
Skaling Linda D.
Szuch Colleen D.
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