Number | Date | Country | Kind |
---|---|---|---|
11-150841 | May 1999 | JP |
Number | Name | Date | Kind |
---|---|---|---|
4242283 | Hibbel et al. | Dec 1980 | A |
4447661 | Hoshiyama et al. | May 1984 | A |
Number | Date | Country |
---|---|---|
206370 | May 1982 | DE |
702204 | Jan 1954 | EP |
62-1930 | Jan 1987 | JP |
Entry |
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Tamas et al, Journal of Mol.Catal., 85(2), pp. 121-9 (1993). |