Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1988-04-04
1989-03-28
Willis, Prince E.
Compositions
Water-softening or purifying or scale-inhibiting agents
252172, 252364, 252DIG9, 134 38, 134 40, C11D 732, C11D 750
Patent
active
048161764
ABSTRACT:
Azeotrope-like compositions comprising dichlorotrifluoroethane, methanol and nitromethane 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: 3940342 (1976-02-01), Hutchinson
patent: 4002573 (1977-01-01), Hutchinson
Basu Rajat S.
Lund Earl A. E.
Wilson David P.
Allied-Signal Inc.
Friedenson Jay P.
Markowski Kathleen
Willis Prince E.
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