C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 5/04 (2006.01) A62D 1/00 (2006.01) C08J 9/14 (2006.01) C09K 3/30 (2006.01)
Patent
CA 2107232
The azeotropic and azeotrope-like compositions of 1,1.1,2-tetrafluoroethane and one of 1,1-difluoroethane, 1-chloro-1,1-difluoroethane, dimethyl ether, perfluorocyclobutane, n-butane, isobutane and 1,1,1,2,3,3,3-heptafluoropropane, and their use as refrigerants, aerosol propellants and blowing agents for polymer foams are disclosed. The azeotropic and azeotrope-like compositions of 1,1,1,2-tetrafluoroethane and one of perfluorocyclobutane and 1,1,1,2,3,3,3-heptafluoropropane are also useful as fire extinguishants.
Bartlett Philip Lee
Bivens Donald Bernard
Lunger Brooks Shawn
Yokozeki Akimichi
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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