Stabilized controlled release substrate having a coating...

Details Stabilized controlled release substrate having a coating... Stabilized controlled release substrate having a coating...

2008-01-08

2008-01-08

Webman, Edward J. (Department: 1616)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

C424S495000, C427S214000, C427S216000

Reexamination Certificate

active

10871251

ABSTRACT:
A stabilized solid controlled release dosage form having a coating derived from an aqueous dispersion of ethylcellulose is obtained by overcoating a substrate including a therapeutically active with an aqueous dispersion of ethylcellulose and then curing the coated substrate at a temperature and relative humidity elevated to a suitable level above ambient conditions until the coated dosage form attains a stabilized dissolution profile substantially unaffected by exposure to storage conditions of elevated temperature and/or elevated relative humidity.

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