C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
260/634.1, 260/6
C11D 1/00 (2006.01) B01F 17/00 (2006.01)
Patent
CA 1127667
Abstract of the Disclosure Fluorochemical surfactants of the formula Image wherein Rf is perfluoroalkyl of 4 to 20 carbon atoms or perfluoroslkoxy- perfluoroalkyl of 4 to 20 carbon atoms, A is straight or branched chain alkylene of 1 to 10 carbon atoms which is unsubstituted or substituted by halogen, n is 1 to 50, R1 is hydrogen or alkyl of 1 to 4 carbon atoms and R2 is hydrogen or alkyl of 1 to 4 carbon atoms. The new surfactants are useful is aqueous and non-squeous systems.
337877
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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