C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/472.5, 8/93.
C07C 69/76 (2006.01)
Patent
CA 1255693
Perfluoroalkyl substituted Pyromellitates Abstract of the Disclosure Perfluoroalkyl-alkyl-sulfide or -sulfonyl-alkylene esters of meta- and para-pyromellitates, partially esterified with 3-chloro 1,2- propane diol, of the formulae: Image ( I ) or Image ( I I ) or mixtures thereof, wherein Rf is perfluoroalkyl of 3 to 18 carbon atoms, m i3 0 or 2, and R is Image , Image or mixtures thereof, are useful for incorporation into organic polymers to render them oil repellent and soil resistant.
521291
Falk Robert A.
Karydas Athanasios
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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