Number | Date | Country | Kind |
---|---|---|---|
8111056 | Apr 1981 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3616453 | Philpot | Oct 1971 | |
3844926 | Smyth et al. | Oct 1974 | |
4149957 | Gibson et al. | Apr 1979 | |
4246085 | Mattock | Jan 1981 | |
4250008 | Mattock | Feb 1981 |
Entry |
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Chem. Abstracts, vol. 88, Nov. 10, 1977, 55060s. |
Chem. Abstracts, vol. 94, Nov. 6, 1980, 36335t. |
Chem. Abstracts, vol. 52, No. 21, 11-10-58, Col. 18751(g). |
Chem. Abstracts, vol. 54, No. 1, 1-10-60, Col. 672(b). |