Number | Date | Country | Kind |
---|---|---|---|
3803581 | Feb 1988 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4009124 | Laurer et al. | Feb 1977 | |
4268695 | Lange et al. | May 1981 | |
4410744 | Campbell et al. | Oct 1983 | |
4594462 | Schnabel et al. | Jun 1986 | |
4656297 | Kouba et al. | Apr 1987 |
Number | Date | Country |
---|---|---|
2445303 | Apr 1976 | DEX |
2643400 | Mar 1978 | DEX |
59-70632 | Apr 1984 | JPX |
Entry |
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The Journal of the American Chemical Society, 70 (1948), 3121-25. |