Patent ID: 6399562
Filing Date: 2002-06-04
Classification: C08J,C11D

Abstract:
Azeotropic or near azeotropic compositions, based on 1-difluoromethoxy-1,1,2,2-tetrafluoroethyl difluoromethyl ether, essentially consisting of:composition% by weightI)1-difluoromethoxy15-991,1,2,2-tetrafluoroethyldifluoromethyl ether(HCF2OCF2CF2OCF2H);isopentane85-1â€‚II)1-difluoromethoxy25-991,1,2,2-tetrafluoroethyldifluoromethyl ether(HCF2OCF2CF2OCF2H);methyl-acetate75-1â€‚III)1-difluoromethoxy35-991,1,2,2-tetrafluoroethyldifluoromethyl ether(HCF2OCF2CF2OCF2H);1-bromo-propaneâ€‰65-1.â€‚