Water-soluble thermoformed containers comprising aqueous...

Details Water-soluble thermoformed containers comprising aqueous... Water-soluble thermoformed containers comprising aqueous...

2005-05-31

2005-05-31

Smith, Scott A. (Department: 3721)

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

C053S453000, C053S454000, C053S560000

Reexamination Certificate

active

06898921

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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