| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 07.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Metal removal process - Passing organic solvent soln of said polymer through a filter contg ion-exchange material & generating a zeta po tential - & a filter generating a zeta potential by a cationic charge modifying agent |
| PATENT PHOTOCOPY | Available on request |
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