Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1991-04-01
1992-06-09
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
134 12, 134 31, 134 38, 134 39, 134 40, 203 67, 252162, 252170, 252364, 252DIG9, C11D 730, C11D 750, C23G 5028
Patent
active
051204622
ABSTRACT:
Azeotropic and azeotrope-like compositions composed of dichloropentafluoropropanes and acetone are described which are suitable for use in cleaning processes and in printing and copying processes for fixing toner based on polystyrene.
REFERENCES:
patent: 3483034 (1969-12-01), Ensminger
patent: 4252601 (1981-02-01), Ceintrey
patent: 4947881 (1990-08-01), Magid et al.
Brackmann Andreas
Buchwald Hans
Raszkowski Boleslaus
Kali-Chemie AG
Lieberman Paul
Skaling Linda D.
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