Sulfido- and sulfo-substituted perfluoroalkyl pyromellitates

Bleaching and dyeing; fluid treatment and chemical modification – Chemical modification of textiles or fibers or products thereof – Treating textiles or fibers from synthetic resin or natural...

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560 87, 8DIG21, 8DIG4, 252 86, 252 87, D06M 1328, C07C 6976

Patent

active

046472843

ABSTRACT:
Perfluoroalkyl-alkyl-sulfide or sulfonyl-alkylene esters of meta- and para-pyromellitates, partially esterified with 3-chloro-1,2-propane diol, of the formulae: ##STR1## or mixtures thereof, wherein R.sub.f is perfluoroalkyl of 3 to 18 carbon atoms, and

REFERENCES:
patent: 4192754 (1980-03-01), Marshall et al.
patent: 4209610 (1980-06-01), Mares et al.
patent: 4283292 (1981-11-01), Marshall et al.
patent: 4317736 (1982-03-01), Marshall et al.

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