| PATENT ASSIGNEE'S COUNTRY | UK |
| UPDATE | 04.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
(1) Forming a cellulosic suspension (2) Mixing in activated bentonite dispersion into cellulosic suspension (3) Draining & cellulosic suspension to form wet sheet (4) Drying the sheet Wherein the activated bentonite dispersion is a stable, fluid, bentonite conc., or a dilute bentonite dispersion made by diluting the conc. with water, & the conc. is a dispersion of 15-40% by wt. of bentonite in water, contg citrate in a fluid stabilising & activating amount which is such that the conc. has a visc. (Brookfield. 20 rpm, spindle 4) < 2000 cps |
| PATENT PHOTOCOPY | Available on request |
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