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US 5,474,696 AGranted
Process for refrigeration using 1,1,1,2-tetrafluoro-2-(difluoromethoxy) ethane or 1,1,2,2-tetrafluoro-2-(difluoromethoxy)ethane
AssigneeE. I. Du Pont de Nemours and Company
InventorsDonna M. Patron, Allen C. Sievert
Life of this patent
Estimating the term…
Abstract
Producing refrigeration by evaporating the fluorocarbon refrigerants 1,1,1,2- and 1,1,2,2-tetrafluoro-2-(difluoromethoxy)ethane in the vicinity of a body to be cooled.
Claims3
A process for producing refrigeration which comprises condensing a chlorine-free fluorocarbon refrigerant selected from the group consisting of 1,1,1,2-tetrafluoro-2-(difluoromethoxy)ethane and 1,1,2,2-tetrafluoro-2-(difluoromethoxy)ethane, and thereafter evaporating the fluorocarbon refrigerant in the vicinity of a body to be cooled.
Dependencies are inferred from the claim text.