US Patent:
20050238715, Oct 27, 2005
Inventors:
Lirong Liu - Washington Township NJ, US
Alex Shlyankevich - Ridgefield CT, US
Anand Baichwal - Wappingers Falls NY, US
Assignee:
Penwest Pharmaceuticals Co. - Patterson NY
International Classification:
A61K009/22
Abstract:
The invention provides a novel pharmaceutical compositions useful for the delivery of more than one pharmaceutically active compound. More specifically, the invention provides a novel pharmaceutical compositions useful for the delivery of the (+) tramadol enantiomer and the (−) tramadol enantiomer.