Number | Date | Country | Kind |
---|---|---|---|
57-21637 | Feb 1982 | JPX |
Number | Date | Country |
---|---|---|
1040846 | Aug 1980 | JPX |
1063316 | Nov 1980 | JPX |
Entry |
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Henne et al., Perfluorinated Cyclic Ethers, vol. 74, pp. 5420-5422, Nov. 1952. |
Tiers, The Chemistry of Perfluoro Ethers. I. Substitution of .alpha.-Fluorine by Chlorine: The .alpha.,.alpha.,.alpha.'-Trichloro Perfluoro Ethers, vol. 77, pp. 4837-3840, Feb. 1955. |