Pharmaceutical sustained-release compositions

Details Pharmaceutical sustained-release compositions Pharmaceutical sustained-release compositions

A - Human Necessities

61

K

167/166, 117/45.

A61K 9/22 (2006.01) A61K 9/20 (2006.01)

Patent

CA 1217721

ABSTRACT OF THE DISCLOSURE: An excipient for a composition comprises a pharmacolo- gically and toxicologically inert substance in granular form, the granules being coated with a pharmacologically and toxicologically inert polymer, copolymer or mixture of polymers and/or copolymer, the coating being insoluble or sparingly soluble in aqueous media. The preferred coating is methyl acrylate methyl methacrylate copolymer. Pharmaceutical compositions in tablet form incorpora- ting the excipient have the porperty of sustained release of the pharmacologically active ingredient.

408550

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