ASYMMETRIC MEMBRANES FOR DRUG DELIVERY DEVICES

• Main Authors: WATERMAN, KENNETH, CRAIG, JOHNSON, BARBARA, ALICE
• Format: Patent
• Language: English; French; German
• Published: 14.01.2009
• Subjects: HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES

The present invention provides an osmotic dosage form comprising a core containing at least one pharmaceutically active ingredient and which also comprises at least one asymmetric membrane coating wherein said coating comprises one or more substantially water-insoluble polymers, and, one or more sol...