D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
117/209, 260/525
D06M 13/224 (2006.01) C07C 219/06 (2006.01) C07C 311/09 (2006.01) C07C 317/18 (2006.01) C07C 317/44 (2006.01) C07C 323/12 (2006.01) C07C 323/25 (2006.01) C07C 323/51 (2006.01) D06M 13/217 (2006.01) D06M 13/252 (2006.01) D06M 13/268 (2006.01) D06M 13/372 (2006.01) D06M 13/438 (2006.01)
Patent
CA 2005652
6-17368/=/CGC 1386 Heteroatom Containing Perfluoroakyl Terminated Neopentyl Acids and Salts Thereof Abstract of the Disclosure Heteroatom containing perfluoroalkyl terminated neopentyl carboxylic acids and salts thereof of the formula I Image (I), wherein Rf is a hydrophobic, oleophobic fluoroaliphatic group of up to 20 carbon atoms, E is alkylene of up to 10 carbon atoms, optionally interrupted by up to three groups includ- ing -NR-, -O-, -S-, -SO2-, -O2C-, -CONR-, and -SO2NR-, X is -S-, -SO2-, -O-, or -NR-, Y independently is hydrogen when one m is 0, or Y is a straight or branched chain alkylene, tri- or tetra-radical of up to 10 carbons, optionally interrupted by -O-, -S-, or -CH=CH-, or carbonyl-alkylene, arylene, or carbonylarylene, R is independently hydrogen, alkyl, or hydroxyalkyl of 1 to 6 carbon atoms, n is l to 3, m is independently 0, 1, 2, or 3 with the proviso that m cannot be 0 in both instances and M is independently hydrogen, an alkali metal, ammonium or organoammonium ion are described. The bis-perfluoroakyl carboxylic acids or salts thereof are useful to impart oil and water repellency to cellulosic, natural and synthetic polyamide, leather and polyester materials, and other compositions.
Clark Kirtland P.
Falk Robert A.
Ag Ciba-Geigy
Clark Kirtland P.
Falk Robert A.
Fetherstonhaugh & Co.
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