Controlled release matrix system using cellulose acetate/poly-2-

Details Controlled release matrix system using cellulose acetate/poly-2- Controlled release matrix system using cellulose acetate/poly-2-

1993-12-15

1996-07-16

Webman, Edward J.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Matrices

424488, 424499, 424501, 424468, 424408, 424409, 424443, 428402, A61K 922, A61K 970, A61K 4734, A61K 4738, A61K 914, A01N 2510, A01N 2512, A01N 2534

Patent

active

055365051

ABSTRACT:
This invention relates to a controlled release matrix system comprising a homogenous mixture of poly-2-ethyl-2-oxazoline, cellulose acetate having a degree of substitution for acetyl of from about 0.5 to 3.0, and a water-soluble active ingredient.

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