Number | Date | Country | Kind |
---|---|---|---|
2-98455 | Apr 1990 | JPX | |
2-285493 | Oct 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4154829 | Mentrup et al. | May 1979 | |
4200641 | Vandenberk et al. | Apr 1980 | |
4256756 | Koppe et al. | Mar 1981 | |
4492708 | Spitzer | Jan 1985 |
Number | Date | Country |
---|---|---|
0058975 | Sep 1982 | EPX |
62-252721 | Apr 1987 | JPX |
Entry |
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Davall et al., "Some N-substituted 2-oxobenzimidazolines" J. Chem. Soc., 1960, pp. 314-318. |