Granted Patent
Utility
US 4,607,038 · App. 06/704,585
Ophthalmic pranoprofen compositions
Inventors:
Kazumi Ogata, Yujiro Yamamoto, Yoshie Ozaki
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Feb 22, 1985
Inventors
Kazumi Ogata
Yujiro Yamamoto
Yoshie Ozaki
Assignees (at issue)
Yoshitomi Pharmaceutical Industries, Ltd.
SENJU PHARMACEUTICAL CO., 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.