Branched surfactant having fluoroalkyl group and hydrocarbon...

Details Branched surfactant having fluoroalkyl group and hydrocarbon... Branched surfactant having fluoroalkyl group and hydrocarbon...

2011-03-15

2011-03-15

Kopec, Mark (Department: 1761)

Compositions

Solvents

C510S108000, C510S492000

Reexamination Certificate

active

07906042

ABSTRACT:
The present invention relates to a surfactant represented by Formula (I):wherein Rf represents a fluoroalkyl group which may have an ether bond;Rh represents an alkyl group;r represents 1 or 0;when r=0, Z1and Z2represent (CH2)n1—(X1)p1— and —(X2)q1—, respectively; andwhen r=1, Z1and Z2represent (CH2Y)p2—CH2— and —(CH2Y)q2—, respectively,wherein X1and X2may be the same or different and each represents a divalent linking group,p1 represents 0 or 1,q1 represents 0 or 1,n1 represents an integer of 1-10;Y represents O, S or NR, wherein R represents a hydrogen atom, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, or t-butyl;p2 and q2 each represent 0 or 1 but are not 0 at the same time; andM represents a hydrogen atom, alkali metal, ½ alkaline earth metal or ammonium.

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