Perfluoroalkylether substituted aryl phosphines and their synthe

Details Perfluoroalkylether substituted aryl phosphines and their synthe Perfluoroalkylether substituted aryl phosphines and their synthe

Filed on

1975-11-06

Date issued

1977-03-08

Examiner

Sneed, Helen M. S.

Patent Class

Chemistry of carbon compounds

SubClass

Miscellaneous organic carbon compounds

SubSubClass

C-metal

Other Related Categories

252 499, 252389A, 252400A, C07F 950

Type

Patent

Status

active

Patent number

040112675

Description

ABSTRACT:
Fluorinated phosphines having the following formula: ##STR1## , where R is a perfluoroalkylether group of fluorine with two of the R's being fluorine, and n is 1, 2 or 3. The fluorinated phosphines are especially useful as anticorrosion and antioxidation additives for perfluorinated fluids.

REFERENCES:
patent: 3201445 (1965-08-01), Drysdale et al.
patent: 3306855 (1967-02-01), Borecki
patent: 3393151 (1968-07-01), Dolle et al.
patent: 3481872 (1969-12-01), Dolle et al.
patent: 3483129 (1969-12-01), Dolle et al.
patent: 3499041 (1970-03-01), Tamborski
patent: 3567802 (1971-03-01), Garth
Kosolapoff et al., Organic Phosphorus Compounds, Wiley--Intersc. N.Y., vol. 1, pp. 165 and 166 (1972).

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