Number | Date | Country | Kind |
---|---|---|---|
94 05259 | Apr 1994 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3959262 | Mathais et al. | May 1976 | |
3984451 | Weiss et al. | Oct 1976 |
Number | Date | Country |
---|---|---|
416499 | Sep 1990 | EPX |
589336 | Sep 1993 | EPX |
602523 | Dec 1993 | EPX |
2233679 | Jul 1975 | DEX |
Entry |
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Chemical Abstracts, vol. 110, No. 9, 1989, Columbus, Ohio, US; abstract No. 74995q, & Can. J. Chem., vol. 66, No. 11, 1988, pp. 2839-2848, E. Lai et al. |