Number | Name | Date | Kind |
---|---|---|---|
3288846 | Irani et al. | Nov 1966 | |
3434969 | Ralston | Mar 1969 | |
4047927 | Gaertner et al. | Sep 1977 | |
4307038 | Sommer et al. | Dec 1981 | |
4308147 | Sommer et al. | Dec 1981 | |
5087376 | Bendiksen et al. | Feb 1992 |
Entry |
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Chemical Abstracts Online 120:166669 Jun. 8, 1993. |
Chemical Abstracts Online 119:259403 Feb. 5, 1993. |