| PATENT ASSIGNEE'S COUNTRY | Germany; USA |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Method of prodg an ion-exchanged material comprising - Contact. material contg Group IA ions selected from Na ion etc., said material selected from: natural zeolites selected from faujasite etc; synthetic zeolites selected from FAU etc ion-exchangeable clays; ion-exchangeable amorphous aluminosilicates with source of ammonium ions & thereby prodg ammonium ion-exchanged material - Contact. with monovalent cations selected from Group IA ions other than Na or K, in reaction zone under conditions which effect replacement of ammonium ions |
| PATENT PHOTOCOPY | Available on request |
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