Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1990-03-21
1991-06-25
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
62114, 134 12, 134 38, 134 39, 134 40, 252 67, 252 69, 252162, 252170, 252305, 252364, 252DIG9, 521 98, 521131, C11D 730, C11D 750, C09K 504, C23G 5028
Patent
active
050264990
ABSTRACT:
An azeotropic mixture of hexafluoropropylene/ethylene cyclic dimer (dimer) with trans-1,2-dichloroethylene and methanol is useful in solvent cleaning applications and as refrigerants, aerosol propellants and blowing agents.
REFERENCES:
patent: 2999815 (1961-09-01), Bernhardt
patent: 2999817 (1961-09-01), Bower et al.
patent: 3789088 (1974-01-01), La Lande, Jr. et al.
patent: 3852474 (1974-12-01), Simons et al.
patent: 3881949 (1975-05-01), Brock
patent: 3903009 (1975-09-01), Bower et al.
patent: 3917725 (1975-11-01), Haszeldine et al.
patent: 3996299 (1976-12-01), Fozzard
patent: 4057974 (1977-11-01), Murphy et al.
patent: 4086407 (1978-04-01), Fozzard
patent: 4164471 (1979-08-01), Hutchinson et al.
patent: 4482465 (1984-10-01), Gray
patent: 4767561 (1988-08-01), Gorski
patent: 4902839 (1990-02-01), Bielefeldt et al.
patent: 4954666 (1990-09-01), Bielefeldt et al.
Birchall et al., J. Chem. Soc. Perkin Trans. I, 1773-1779, (1973).
Haszeldine et al., J. Flourine Chem., vol. 21, 253-269, (1982).
E. I. Du Pont de Nemours and Company
Lieberman Paul
Skaling Linda D.
LandOfFree
Ternary azeotropic compositions of hexafluoropropylene/ethylene does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ternary azeotropic compositions of hexafluoropropylene/ethylene , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ternary azeotropic compositions of hexafluoropropylene/ethylene will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1038414