COMPOSITION WITH CONTROLLED RELEASE Russian patent published in 2008 - IPC A61K9/54 A61K9/58 A61P1/04 

Abstract RU 2336865 C2

FIELD: medicine.

SUBSTANCE: invention discovers improved composition for profile control of active compound release through the digestive tract, including particles, especially granules, containing the active compounds. They are covered with coating material, solution of which depends on pH value, or polymethacrylate material, solution of which, for preference, depends on pH value, the definite thickness, desirable place and speed of the active compound release. In preferable compositions two or more particles, in which particles of each multitude are covered with the coating material, the solution which depends on pH value, or polymethacrylate material, of different thickness in comparison with the particles of each other multitude, are contained in capsules with enterosoluble coating and provide the active substance release in different desirable places of the digestive tract.

EFFECT: provision of active substance release in desirable places of digestive tract.

28 cl, 7 dwg, 9 ex

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RU 2 336 865 C2

Authors

Spirz Kristofer Dzh.

Mojr Piter

Uill'Jams Richard

Klark Majkl

Dates

2008-10-27Published

2003-07-04Filed