Matrix for sustained, invariant and independent release of active compounds

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United States of America Patent

PATENT NO 8846091
SERIAL NO

14058108

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Abstract

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The invention concerns a storage stable pharmaceutical formulation comprising preferably two active compounds in a non-swellable diffusion matrix, whereby the compounds are released from the matrix in a sustained, invariant and, if several compounds are present, independent manner and the matrix is determined with respect to its substantial release characteristics by ethylcellulose and at least one fatty alcohol. The invention also concerns methods for producing such pharmaceutical formulations.

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Patent Owner(s)

  • PURDUE PHARMA L.P.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brögmann, Bianca Ulm, DE 9 223
Mühlah, Silke Biberach, DE 3 52
Spitzley, Christof Elbtal, DE 18 651

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