Granted Patent
Utility
US 5,532,372 · App. 08/113,320
Imide derivatives, and their production and use
Inventors:
Ikutaro Saji, Masayuki Muto, Norihiko Tanno, Mayumi Yoshigi
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Aug 30, 1993
Inventors
Ikutaro Saji
Masayuki Muto
Norihiko Tanno
Mayumi Yoshigi
Assignee (at issue)
Sumitomo Pharmaceuticals Company Limited
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.