Quinolinone derivative formulation and its production method

Details Quinolinone derivative formulation and its production method Quinolinone derivative formulation and its production method

A - Human Necessities

61

K

A61K 31/4704 (2006.01) A61K 31/47 (2006.01) C07D 215/38 (2006.01)

Patent

CA 2349663

Quinolinone derivative preparations being excellent in bioabsorbability and stability which contain as the active ingredient .beta.- or .gamma.-crystals of quinolinone derivatives represented by chemical formula (1) which are useful as drugs, in particular, antiallergic agents.

L'invention concerne des préparations à base de dérivés de quinolinone qui offrent une bioabsorbabilité et une stabilité excellentes. Ces préparations ont comme principe actif des beta -cristaux ou des gamma -cristaux de dérivés de quinolinone représentés par la formule chimique (1). Les préparations considérées sont utiles comme médicaments, et en particulier comme antiallergiques.

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