ENTERIC COASTINGS FOR ORALLY INGESTIBLE COMPOSITIONS
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United States of America Patent
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app pub date -
Feb 26, 2008
filing date -
Sep 18, 2007
priority date (Note) -
Abandoned
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Abstract
A suspendible enteric coating composition for encasing orally ingestible articles wherein the enteric coating composition comprises a pH-dependent polymer selected from a group containing alginates and alginic acids, a pH-independent water insoluble polymer selected from the group comprising ethylcellulose and ethylcellulose-containing compositions, and a plasticizer selected from the group containing triethyl citrate, glycerin, propylene glycol, triacetin, acetylated monoglycerides, dibutyl sebacate, polyethylene glycols, sorbitals, middle chain triglycerides and combinations thereof. A three step method for providing a stable outer enteric coating on an ingestable item comprising a first step of encasing the item with a suspension comprising a mixture of at least a sugar and a microcrystalline cellulose, a second step of then encasing the item with a suspension comprising a mixture of a film-forming polymer and a plasticizer, and a third step of finally encasing the item with the enteric coating composition.
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