| PATENT ASSIGNEE'S COUNTRY | CH |
| UPDATE | 12.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Process for prepg regenerated cellulose filaments from an anisotropic soln comprising cellulose formate, PO4H3 & formic acid - Extruding soln through capillaries to form cellulose formate filaments (I) - Passing (I) through layer of air - Passing (I) through coagulation bath - Washing (I) with water - Drying (I) to moisture content < 20% - Regenerating (I) - Washing with water under tension < 2.5 cN/tex - Drying under tension < 2.5 cN/tex - Winding (I) |
| PATENT PHOTOCOPY | Available on request |
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