Perfluoroalkyl-alkylene branched amphoteric sulfato betaines

Abstract From the Canadian patent

Perfluoroalkyl-alkylene branched amphoteric sulfato betaines Abstract of the disclosure, Amphoteric branched sulfatobetaines of the formula wherein Rf is perfluoroalkyl or perfluoroxyperfluoroalkyl R1 is a, direct bond or a divalent connecting group R2, R3 and R4 are, independently hydrogen or lower alkyl R5, R6 and R7 are independently, lower alkyl where R6 may additionally represent aralkyl and R6 and, R7 taken together with the nitrogen to which they are attached may also together represent piperidino or morpholino and R5 R6 and R7, taken together may also represent pyridyl acridyl or quinolyl and, salts thereof. The new compounds are suitable surface active agents.