Polymeric diffusion matrix

Details Polymeric diffusion matrix Polymeric diffusion matrix

A - Human Necessities

61

K

167/159

A61K 47/00 (2006.01) A61K 9/70 (2006.01) A61K 31/565 (2006.01)

Patent

CA 1135625

ABSTRACT OF THE DISCLOSURE This invention provides a polymeric diffusion matrix comprising glycerol, polyvinylalcohol, a water soluble polymer having hydration sites which in combination with the remaining ingredients yields a matrix capable of sustained release of a drug dispersed therein, and water. The matrix may further include a drug for topical or transdermal application to a patient.

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