Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1983-12-20
1986-08-12
Helfin, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
514832, 252364, C07C 4312
Patent
active
046057862
ABSTRACT:
A perfluoroether compound having the following formula is useful as a thermostable, inert solvent and inter alia as an oxygen carrier in an artificial blood or infusion fluid. ##STR1## wherein Rf.sub.1 and Rf.sub.2 are different from each other and are selected from the group of a C.sub.1 or C.sub.3 perfluoroalkyl group which may be interrupted by an oxygen atom, and a C.sub.5 -C.sub.7 perfluorocycloalkyl group, and n and n' are zero or an integer of 1; one of Rf.sub.1 and Rf.sub.2 being the C.sub.5 -C.sub.7 perfluorocycloalkyl group and the total number of carbon atoms being 9-11 inclusive.
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patent: 4252827 (1981-07-01), Yokoyama et al.
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patent: 4425347 (1984-04-01), Yokoyama et al.
Cady, Proceedings of the Chemical Society (London) Apr. 1960, pp. 133 & 136.
Riess et al. "Perfluoro Compounds as Blood Substitutes", Int'n. Ed. in English, Angewandte Chemie, vol. 17, No. 9, Sep. 1978, pp. 621-700.
Arakawa Yoshio
Fukaya Chikara
Inoue Yoshihisa
Naito Youichiro
Ono Taizo
Helfin Bernard
The Green Cross Corporation
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