US 7,585,897 B2
Modified release formulations of a bupropion salt
Werner Oberegger, Mississauga (Canada); Fang Zhou, Davie, Fla. (US); Paul Maes, Toronto (Canada); Graham Jackson, Co. Kildare (Ireland); and Mohammad Ashty Saleh, Oakville (Canada)
Assigned to Biovail Laboratories International S.r.l., St. Michael (Barbados)
Filed on Jun. 21, 2007, as Appl. No. 11/766,239.
Application 11/766239 is a continuation of application No. 11/751768, filed on May 22, 2007.
Application 11/751768 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 2008/0081068 A1, Apr. 03, 2008
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 31/135 (2006.01)
U.S. Cl. 514—649 15 Claims
 
1. A modified release tablet comprising
(a) a core comprising
(i) bupropion hydrobromide in an amount of from 40% to 99% by weight of the tablet dry weight;
(ii) binder in an amount of from 0.25% to 25% by weight of the tablet dry weight; and
(iii) lubricant in an amount of from 0.1% to 6% by weight of the tablet dry weight; and
(b) a control-releasing coat substantially surrounding said core.