Number | Name | Date | Kind |
---|---|---|---|
3317484 | Fritz et al. | May 1967 | |
4356291 | Darling | Oct 1982 | |
4413094 | Aufdermarsh, Jr. | Nov 1983 |
Number | Date | Country |
---|---|---|
193349 | Aug 1989 | JPX |
Entry |
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Soloski, E. J. et al, "Synthesis of Perfluoro(Polyether) Difunctional Compounds", Journal of Flourine Chemistry, 11, 601-612 (1978). |
Evers, R. C. et al, "Hydrolytically Stable Fluorocarbon Ether Bibenzoxazole Polymers", J. of Polymer Sci.: Poly. Chem. Edition, 19, 427-442 (1981). |