| PATENT ASSIGNEE'S COUNTRY | Germany |
| UPDATE | 05.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Mfg method (a) Continuously supplying mixt to an extruder, the mixt consisting of starch-based polymer selected from native starches etc., at least ine synthetic polymer selected from PVA etc, wherein the starch-based polymer supplied to extruder comprises starch that has been initially predried to < its natural water content (b) Heating & kneading mixt under conditions to form TP melt (c) Extruding TP melt through die to form extrudate of TP melt (d) Causing extrudate to develop porous configuration (e) Compressing extrudate & forming an endless filter rod (f) Wrapping the filter rod & forming single filter elements |
| PATENT PHOTOCOPY | Available on request |
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