Polymorphs of fexofenadine base

Details Polymorphs of fexofenadine base Polymorphs of fexofenadine base

A - Human Necessities

61

K

A61K 31/445 (2006.01) C07D 211/14 (2006.01) C07D 211/22 (2006.01)

Patent

CA 2465913

The present invention provides novel crystal forms of fexofenadine base and processes for their preparation. The forms are useful for administration to humans and animals to alleviate symptoms caused by histamine. The present invention further provides pharmaceutical compositions of the new crystalline forms.

L'invention concerne de nouvelles formes cristallines à base fexofénadine et des procédés de préparation de celles-ci. Ces formes sont administrées à des êtres humains et à des animaux afin de soulager les symptômes entraînés par l'histamine. Cette invention concerne, en outre, des compositions pharmaceutiques de ces nouvelles formes cristallines.

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