Number | Date | Country | Kind |
---|---|---|---|
4041181 | Dec 1990 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3696156 | Weeks | Oct 1972 |
Number | Date | Country |
---|---|---|
0370688 | May 1990 | EPX |
1219460 | Jun 1966 | DEX |
1401541 | Jul 1975 | GBX |
Entry |
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Anderson, A. L. et al., J. Fluorine Chem. 1, 121-122 (1971). |