Sustained release poly (lactic/glycolic) matrices

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United States of America Patent

PATENT NO 5759583
SERIAL NO

08560081

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This invention provides a sustained release composition comprising a PLGA matrix, a bioactive agent, and a quaternary ammonium surfactant, in which the release profile of the bioactive agent from the PLGA matrix is controlled by the concentration of the quaternary ammonium surfactant.

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Patent Owner(s)

  • HOFFMANN-LA ROCHE INC.;SYNTEX (U.S.A.) INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iwamoto, Taro Cupertino, CA 86 2108
Kimura, Akio Utsunomiya, JP 87 955
Ohyama, Takehiko Hino, JP 1 82
Takahashi, Yasuyuki Sagamihara, JP 57 941

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