Number | Date | Country | Kind |
---|---|---|---|
3705002 | Feb 1987 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
439796 | Bottome | Nov 1890 | |
982252 | Collins | Jul 1907 | |
1791591 | Caven | Feb 1927 | |
1969750 | Heuer | Aug 1934 | |
2446975 | Conley | Aug 1948 | |
3620783 | Mohler et al. | Nov 1971 | |
4183761 | Hoshino et al. | Jan 1980 | |
4631158 | Rieck et al. | Dec 1986 |
Entry |
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Hawley, Condensed Chemical Dictionary, Van Nostrand Reinhold, N.Y., 1974, p. 783. |
Grant, Haukh's Chemical Dictionary, McGraw-Hill Book Company, NY, 1980, p. 610. |