Number | Date | Country | Kind |
---|---|---|---|
3928692 | Aug 1989 | DEX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/DE90/00658 | 8/28/1990 | 2/28/1992 | 2/28/1992 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO91/03442 | 3/21/1991 |
Number | Name | Date | Kind |
---|---|---|---|
3215747 | Fairberg et al. | Nov 1965 | |
4906796 | Yates | Mar 1990 |
Entry |
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Hersh "Molecular Sieves" (1961). pp. V, VII, 1-4, 78-81 Reinhold Pub. Co., Chapman & Hill Ltd. London. |