Patent ID: 6935492

Claim:
A mixing pouch for storing and blending a plurality of substances comprising: a) a flexible, non-permeable outer pouch rectangular in configuration forming a hermetically sealed interior pocket; b) a non-permeable sheet peripherally bonded to said outer pouch within said interior pocket forming a first hermetically sealed, aseptic interior storage chamber therein adjacent a first side edge of said outer pouch and another non-permeable sheet peripherally bonded to said outer pouch within said interior pocket forming a second hermetically sealed, aseptic interior storage chamber adjacent an opposite second side edge of said outer pouch, with a mixing chamber formed in said outer pouch between said first and second interior storage chambers; c) at least one frangible portion on each said non-permeable sheet forming a burst port that will rupture when the internal pressure of said interior storage chamber exceeds a predetermined PSI to expel any contents therein into said mixing chamber; d) at least two substances sealed within said interior pocket with each substance isolated in its own aseptically sealed storage chamber; and e) said outer pouch having a means for accessing said interior pocket comprising an integrity seal comprising a tear-away strip near a top edge of said outer pouch and a slidably interlocking seal along the top edge of said outer pouch between said tear-away strip and said mixing chamber thereby allowing a user to selectively open and reseal said outer pouch.