Patent ID: 9266999
Filing Date: 2016-02-23
CPC Classification: C07C,C08F,C08G

Claim Text:
1. An oligomer comprising a highly fluorinated sulfinate oligomer according to the following formula (IV), wherein X 1 , X 2 , and X 3 are independently selected from F, Cl and CF 3 ; R is independently selected from H, I, Br, linear or branched alkyl, and linear or branched fluoroalkyl group optionally comprising a heteroatom; R1 is a linear or branched perfluorinated linking group, which may be saturated or unsaturated, substituted or unsubstituted, and optionally comprising a heteroatom; M is a cation; and wherein m is at least 2, further wherein the oligomer has a molecular weight of less than 20,000 grams per mole.