Number | Date | Country | Kind |
---|---|---|---|
8417852 | Jul 1984 | GBX | |
8423667 | Sep 1984 | GBX | |
8430456 | Dec 1984 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3707560 | De Angelis et al. | Dec 1972 | |
3859288 | De Angelis et al. | Jan 1975 | |
3908012 | De Angelis et al. | Sep 1975 | |
3950525 | De Angelis et al. | Apr 1976 | |
4450162 | Kamioka et al. | May 1984 |
Entry |
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Brown et al., Chemical Abstracts, vol. 74:75908p, 1971. |
Ursprung et al., Chemical Abstracts, vol. 70:115172v, 1969. |