Number | Name | Date | Kind |
---|---|---|---|
3661991 | McNulty et al. | May 1972 | |
3751239 | McNulty et al. | Aug 1973 | |
3880903 | Rohr et al. | Apr 1975 | |
4822902 | Carley et al. | Apr 1989 | |
4863940 | Sharma | Sep 1989 |
Entry |
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Elmoghayar , Chemical Abstracts, vol. 99, No. 105188q (1983). |