Granted Patent
Utility
US 6,287,599 · App. 09/741,548
Sustained release pharmaceutical dosage forms with minimized pH dependent dissolution profiles
Inventors:
Beth A. Burnside, Rong-Kun Chang, Xiaodi Guo
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Dec 20, 2000
Inventors
Beth A. Burnside
Rong-Kun Chang
Xiaodi Guo
Assignee (at issue)
Shire Laboratories, 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.