Number | Name | Date | Kind |
---|---|---|---|
4172859 | Epstein | Oct 1979 | |
4454284 | Ueno et al. | Jun 1984 |
Number | Date | Country |
---|---|---|
63-113056 | May 1988 | JPX |
1-9254 | Jan 1989 | JPX |
8503718 | Aug 1985 | WOX |
8905838 | Jun 1989 | WOX |
Entry |
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Hawley's Condensed Chemical Dictionary, (12th Edition, Lewis, Ed., Van Nostrand Reinhold Co., New York 1993), pp. 851, 938 and 942. |