Film products having controlled disintegration properties
First Claim
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1. A film composition comprising:
- a.) at least one water insoluble polymer;
b.) at least one pH dependent water hydratable polymer;
c.) optionally, a plasticizer d.) optionally, a water insoluble particle; and
e.) optionally, at least one topical or systemic active wherein the film is disintegratable in an aqueous environment.
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Abstract
This invention relates generally to films having barrier as well as controlled disintegration properties and, more particularly, to controlled water disintegratable films.
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Citations
21 Claims
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1. A film composition comprising:
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a.) at least one water insoluble polymer;
b.) at least one pH dependent water hydratable polymer;
c.) optionally, a plasticizer d.) optionally, a water insoluble particle; and
e.) optionally, at least one topical or systemic active wherein the film is disintegratable in an aqueous environment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 21)
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14. A multi-layer film composition comprising at least 2 film layers wherein at least one layer comprises:
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a.) at least one water insoluble polymer;
b.) at least one pH dependent water hydratable polymer;
c.) optionally, at least one plasticizer d.) optionally, a water insoluble particle; and
e.) optionally, at least one topical or systemic active wherein the film is disintegratable in an aqueous environment. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification