Granted Patent
Utility
US 6,495,162 · App. 10/016,556
Controlled release oral tablet having a unitary core
Inventors:
Xiu Xiu Cheng, Chih-Ming Chen, Steve Jan, Joseph Chou
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Nov 1, 2001
Inventors
Xiu Xiu Cheng
Chih-Ming Chen
Steve Jan
Joseph Chou
Assignee (at issue)
Andrx Pharmaceuticals, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.