Number | Date | Country | Kind |
---|---|---|---|
3038241 | Oct 1980 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2839417 | Tousignant et al. | Jun 1958 | |
2842534 | Doughty | Jul 1958 | |
3697497 | Falkehag | Oct 1972 | |
4336189 | Hamala et al. | Jun 1982 |
Entry |
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Chem. Abstr., vol. 92,(1980) 24548k. |
Chem. Abstr., vol. 92,(1980) 8022d. |
Chem. Abstr., vol. 95,(1981) 120505b. |