Alliedsignal Inc.

Allied Chemical Corporation

Earl E Lund

Ian R Shankland

Hang Thanh Pham

David Paul Wilson

Rajat S Basu

Ellen L Swan

Robert Gerard Richard

Hillel Magid

Robert L Ostrozynski

Novel azeotrope-like compositions comprising 1,2-difluoroethane and dichlorotrifuoroethane which are useful in a variety of industrial applications including refrigerant applications, solvent applications, and blowing agent applications.

Azeotrope-like compositions of 1,2-difluoroethane and

Azeotrope-like compositions comprising trichlorofluoromethane, a dichlorotrifluoroethane selected from the group consisting of 1,1-dichloro-2,2,2-trifluoroethane and 1,2-dichloro-1,1,2-trifluoroethane and isopentane are novel compositions particularly useful as blowing agents in the preparation of polyurethane and polyisocyanurate foams.

Azeotrope-like compositions of trichlorofluoromethane,

Azeotrope-like compositions comprising of trichlorotrifluoroethane, acetone, nitromethane and hexane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications.

Azeotrope-like compositions of trichlorotrifluoroethane, acetone,

Constant boiling mixtures of 1,1,2,2-tetrafluoroethane and 1,1,1,2-tetrafluorochloroethane are useful as refrigerants, heat transfer media, gaseous dielectrics, expansion agents, aerosol propellants, working fluids in a power cycle and solvents, and are potentially environmentally safe.

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West Seneca, NY, United States of America

Earl E Lund