Granted Patent
Utility
US 5,656,299 · App. 08/443,021
Sustained release microsphere preparation containing antipsychotic drug and production process thereof
Inventors:
Shigemi Kino, Tomonori Osajima, Hiroaki Mizuta
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: May 17, 1995
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.