Fluorinated organosilicon compounds and fluorochemical...

Details Fluorinated organosilicon compounds and fluorochemical... Fluorinated organosilicon compounds and fluorochemical...

2006-05-18

2009-02-10

Zimmer, Marc S (Department: 1796)

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C528S035000, C528S042000, C556S431000, C556S435000, C556S445000

Reexamination Certificate

active

07488839

ABSTRACT:
Fluorinated organosilicon compounds having formula (1) wherein Rf is a perfluoroalkyl group containing at least one ether bond, Q is a polyether group in the form of a homopolymer chain of ethylene glycol or propylene glycol or a copolymer chain of both, R is hydrogen or alkyl, X is a divalent linking group exclusive of oxygen atom, Y is a divalent linking group, p is an integer of at least 3, and n is a number of 0<n<3 have an excellent surface tension reducing ability and can be produced with ease of molecular weight control while minimizing formation of solvent-insoluble components. These compounds are safe to the human body and useful as a surfactant.

REFERENCES:
patent: 4689181 (1987-08-01), Blatch
patent: 9-241381 (1997-09-01), None
patent: 10 077421 (1998-03-01), None
patent: 11 005944 (1999-01-01), None

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