US Patent 6898921 Water-soluble thermoformed containers comprising aqueous compositions
Patent 6898921 was granted and assigned to Reckitt Benckiser on May, 2005 by the United States Patent and Trademark Office.
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Patent abstract
A process for preparing a water-soluble container which comprises: a) thermoforming a first poly(vinyl alcohol) film having a water content of less than 5 wt % to produce a pocket; b) filling the pocket with a composition; c) placing a second film on top of the filled pocket; and d) sealing the first film and second film together.
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Patent Inventor Names
Paul John Duffield0
Date of Patent
May 31, 2005
0Patent Application Number
103625510
Date Filed
August 23, 2001
0Patent Primary Examiner
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US Patent 6898921 Water-soluble thermoformed containers comprising aqueous compositions
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