Granted Patent
Utility
US 5,871,778 · App. 08/812,544
Sustained release microsphere preparation containing antipsychotic drug
Inventors:
Shigemi Kino, Tomonori Osajima, Hiroaki Mizuta
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Mar 7, 1997
Inventors
Shigemi Kino
Tomonori Osajima
Hiroaki Mizuta
Assignee (at issue)
Yoshitomi Pharmaceutical Industries, Ltd.
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.