Number | Name | Date | Kind |
---|---|---|---|
1137005 | Jacobson | Apr 1915 | |
3066012 | Wilson et al. | Nov 1962 | |
4009103 | Burke | Jul 1976 | |
4388208 | Gytel | Jun 1983 | |
4563342 | Gunnarsson et al. | Jan 1986 | |
4681697 | Doetsch et al. | Jul 1987 |
Number | Date | Country |
---|---|---|
5415497 | Feb 1979 | JPX |
Entry |
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CRC Handbook of Chemistry and Physics, 62nd ed., Weast et al., eds. CRC Press, Inc., 1981, pp. 8-150. |