Modified release dosage forms
First Claim
1. A dosage form comprising:
- (a) at least one active ingredient;
(b) a core having a first surface portion upon which resides a first coating and a second surface portion which is substantially free of the first coating; and
(c) a shell which resides upon at least part of both the first coating and the second surface portion of the core,wherein the shell comprises a different material from the first coating,wherein the core comprises a cavity, wherein the cavity is an aperture which extends entirely through the core,wherein at least a portion of the second surface portion of the core is located within the cavity, andwherein the shell resides upon at least a part of the second surface portion of the core which is located within the cavity.
2 Assignments
0 Petitions
Accused Products
Abstract
A dosage form comprises: (a) at least one active ingredient: (b) a core having a first surface portion upon which resides a first coating and a second surface portion which is substantially free of the first coating; and (c) a shell which resides upon at least a portion of the second surface portion, wherein the shell comprises a different material from the first coating. In another embodiment, the dosage form comprises: (a) at least one active ingredient; (b) a core comprising a center portion having an exterior surface and an annular portion having an exterior surface and an interior surface, wherein the annular portion interior surface is in contact with at least a portion of the center portion exterior surface, and a coating resides on at least a portion of the annular portion exterior surface; and (c) a shell which resides upon at least a portion of the exterior surface of the center portion, wherein the shell comprises a different material than the impermeable coating. In another embodiment, the dosage form comprises: (a) at least one active ingredient; (b) a core having an outer surface and a cavity which extends at least partially through the core such that the core outer surface has at least a first opening therein; (c) a first coating which resides on at least a portion of the core outer surface, wherein the first shell portion comprises a different material from the first coating; and (d) a first shell portion which is adjacent to the first opening and covers at least the first opening.
224 Citations
40 Claims
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1. A dosage form comprising:
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(a) at least one active ingredient; (b) a core having a first surface portion upon which resides a first coating and a second surface portion which is substantially free of the first coating; and (c) a shell which resides upon at least part of both the first coating and the second surface portion of the core, wherein the shell comprises a different material from the first coating, wherein the core comprises a cavity, wherein the cavity is an aperture which extends entirely through the core, wherein at least a portion of the second surface portion of the core is located within the cavity, and wherein the shell resides upon at least a part of the second surface portion of the core which is located within the cavity. - View Dependent Claims (2, 3, 4, 6, 10, 11, 25, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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5. A dosage form comprising:
- (a) at least one active ingredient;
(b) a core comprising a center portion having an exterior surface and an annular portion having an exterior surface and an interior surface, wherein the annular portion interior surface is in contact with at least a portion of the center portion exterior surface, and a first coating resides on at least a portion of the annular portion exterior surface, and in which the core annular portion has the shape of a torus; and
(c) a shell which resides upon at least a portion of the exterior surface of the center portion, wherein the shell comprises a different material than the first coating. - View Dependent Claims (7, 8, 9, 12, 13, 14, 15, 27)
- (a) at least one active ingredient;
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16. A dosage form comprising:
- (a) at least one active ingredient;
(b) a core having an outer surface and a cavity which extends through the core having the shape of a torus such that the core outer surface has at least a first opening therein;
(c) a first coating which resides on at least a portion of the core outer surface, wherein the first shell portion comprises a different material from the first coating; and
(d) a first shell portion which is adjacent to the first opening and covers at least the first opening. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 26)
- (a) at least one active ingredient;
Specification