Controlled release solid drug dosage forms based on mixtures...

Details Controlled release solid drug dosage forms based on mixtures... Controlled release solid drug dosage forms based on mixtures...

A - Human Necessities

61

K

167/169

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

Patent

CA 1240925

ABSTRACT A carrier base material combined with a therapeutically active medicament and shaped and compressed to a solid unit dosage form having a controlled and prolonged release pattern upon administration, the carrier base material being a mixture of one or more nonionic cellulose ethers and an anionic surfactant, and wherein at least one of the cellulose ethers is methyl cellulose or hydroxypropylmethylcellulose having a number average molecular weight of at least 50,000.

477093

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