US 7,553,992 B2
Modified release formulations of a bupropion salt
Werner Oberegger, Mississauga (Canada); Paul Maes, Toronto (Canada); Stefano Turchetta, Rome (Italy); Pietro Massardo, Rome (Italy); and Mohammad Ashty Saleh, Oakville (Canada)
Assigned to Biovail Laboratories International S.R.L., St. Michael (Barbados)
Filed on May 31, 2007, as Appl. No. 11/755,946.
Application 11/755946 is a continuation of application No. 11/475252, filed on Jun. 27, 2006, granted, now 7,241,805.
Claims priority of provisional application 60/693906, filed on Jun. 27, 2005.
Prior Publication US 2008/0051606 A1, Feb. 28, 2008
This patent is subject to a terminal disclaimer.
Int. Cl. C07C 225/10 (2006.01)
U.S. Cl. 564—345 3 Claims
 
1. A crystalline compound of the formula:

OG Complex Work Unit Drawing
having the powder X-ray diffraction pattern shown in FIG. 54.