Granted Patent
Utility
US 5,776,489 · App. 07/840,618
Controlled release carbonic anhydrase inhibitor containing pharmaceutical compositions from spherical granules in capsule oral dosage unit form
Inventors:
Wendy Ann Preston, Daniel Joseph Doyon, Stephen Patrick Simmons
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Feb 20, 1992
Inventors
Wendy Ann Preston
Daniel Joseph Doyon
Stephen Patrick Simmons
Assignee (at issue)
American Cyanamid Company
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.