Number | Name | Date | Kind |
---|---|---|---|
3696035 | Nimerick | Oct 1972 | |
3779914 | Nimerick | Dec 1973 | |
3818991 | Nimerick | Jun 1974 | |
4552674 | Brown et al. | Nov 1985 | |
4560486 | Hinkel | Dec 1985 |
Number | Date | Country |
---|---|---|
542228 | Nov 1992 | EPX |
Entry |
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Chemical Abstracts, vol. 107 CA 107:183630 (1987). |
Chemical Abstracts, vol. 112 CA 112:115342 (1990). |
Chemical Abstracts, vol. 112 CA 112:160898 (1990). |
Chemical Abstracts, vol. 114 CA 114:185927 (1991), p. 836. |
Chemical Abstracts, vol. 115 CA 115:154512. |