Patent number: 4351946
Abstract: Fluorinated-alkyl sulfides represented by [R.sub.f (CH.sub.2).sub.n S].sub.z Q where R.sub.f is fluoroalkyl, n is 2 or 3, z is 1 or 2, and Q is an aryl, alkylaryl, alkyl heterocyclic or heterocyclic radical, are useful as surfactants or as intermediates for the preparation of salt-type, quaternary-salt, or amphoteric surfactants.This application is a division of co-pending application Ser. No. 61,567 filed July 30, 1979, now U.S. Pat. No. 4,254,266, which is a division of Ser. No. 587,794 filed June 17, 1975, now U.S. Pat. No. 4,177,351 issued Dec. 4, 1979, which is a division of Ser. No. 396,649 filed Sept. 12, 1973, now U.S. Pat. No. 3,933,819 issued Jan. 20, 1976, which is a continuation-in-part of Ser. No. 171,325 filed Aug. 21, 1971, now abandoned.
Type:
Grant
Filed:
November 14, 1980
Date of Patent:
September 28, 1982
Assignee:
Pennwalt Corporation
Inventors:
Sameeh S. Toukan, Murray Hauptschein