Tadalafil having a large particle size and a process for...

Details Tadalafil having a large particle size and a process for... Tadalafil having a large particle size and a process for...

2006-02-27

2008-08-26

Tucker, Zachary C (Department: 1624)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

C544S343000

Reexamination Certificate

active

07417044

ABSTRACT:
The present invention provides particulate tadalafil having a particle size of about 200 to about 600 microns and a process for controlling the particle size of tadalafil.

REFERENCES:
patent: 5859006 (1999-01-01), Daugan
patent: 5985326 (1999-11-01), Butler
patent: 6821975 (2004-11-01), Anderson et al.
patent: WO 95/19978 (1995-07-01), None
patent: WO 96/38131 (1996-12-01), None
patent: WO 2004/011463 (2004-03-01), None
patent: WO 2005/068464 (2005-07-01), None
patent: WO 2005/116030 (2005-12-01), None
patent: WO 2006/050458 (2006-05-01), None

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