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Water-soluble thermoformed containers comprising aqueous compositions
   
Document Number
US Patent 6898921
Issued Date
May 31, 2005
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Inventors
Duffield; Paul John (East Yorkshire,GB)
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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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Number of Claims:
15
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Owner
Reckitt Benckiser Inc. (Parsippany, NJ)
Published
May 31, 2005
Application Number
10/362,551
Filed
June 20, 2003
US Classification
53/452   53/453 53/454 53/560
Int'l Classification
B65B   11/50   (20060101)   B65D   65/46   (20060101)   B65B   9/00   (20060101)   B65B   9/04   (20060101)   C11D   3/06   (20060101)   C11D   17/04   (20060101)  
Examiner
Assistant Examiner
Attorney/Law Firm
Priority Data
Aug 25, 2000 [GB] 0021113
USPTO Field of Search
53/452   53/453   53/454   53/560  
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Claims
Description
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