Title:
CLEANING TABLETS OR WATER-SOFTENING TABLETS AND THEIR MANUFACTURE
Document Type and Number:
WIPO Patent Application WO2005012473
Kind Code:
A3
Abstract:
A method of making cleaning or water-softening tablets involves making a premix of cleaning or water-softening particulates and a lubricant, for example a sucrose ester or sorbitan ester; feeding the premix into a feed port of an extruder; feeding a binder, for example polyethylene glycol, into the extruder at or downstream of the feed port, the binder being a solid at room temperature but being mixed with the cleaning or water-softening particles as a liquid or becoming a liquid inside the extruder; and extruding the resulting mixture into strands which are separated into tablets.
Inventors:
DUFFIELD PAUL JOHN (GB)
Application Number:
PCT/GB2004/003339
Publication Date:
March 31, 2005
Filing Date:
July 30, 2004
Export Citation:
Assignee:
RECKITT BENCKISER UK LTD (GB)
DUFFIELD PAUL JOHN (GB)
DUFFIELD PAUL JOHN (GB)
International Classes:
B29C48/95; C11D1/66; C11D17/00; (IPC1-7): C11D17/00; C11D1/66
Foreign References:
| DE10134309A1 | 2003-02-06 | |||
| DE19649565A1 | 1998-06-04 | |||
| DE4010533A1 | 1991-10-10 | |||
| EP1081219A2 | 2001-03-07 | |||
| DE19848024A1 | 2000-04-20 |
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