Number | Name | Date | Kind |
---|---|---|---|
3163660 | Strohmeyer et al. | Dec 1964 | |
3883566 | Johnson et al. | May 1975 | |
4233228 | Mueller et al. | Nov 1980 | |
4774347 | Marko et al. | Sep 1988 | |
5399752 | Okrasinski et al. | Mar 1995 |
Number | Date | Country |
---|---|---|
576553 | Apr 1946 | GBX |
Entry |
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Berty et al. (Stud. Surf. Sci. Catal. 1993,75, pp. 1571-1574). |
Vlasenko et al. (Khim. Prom-st. 1989, pp. 739-741). |