Number | Date | Country | Kind |
---|---|---|---|
8008768 | Mar 1980 | GBX | |
8032772 | Oct 1980 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
2726252 | Balon et al. | Dec 1955 | |
3193404 | Davis | Jul 1965 | |
4210601 | Dundon et al. | Jul 1980 |
Number | Date | Country |
---|---|---|
5251 | Nov 1979 | EPX |
2173268 | Oct 1973 | FRX |
Entry |
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Toshino: Repts. Tokyo Imp. Ind. Research Inst. Lab. 37,95-/89 (1942), English Translation and Chem. Abstr. 42, 5887. |