Granted Patent
Utility
US 4,863,925 · App. 07/099,898
Cyclohexanedione derivative for hepatic disorders and a process for producing the same
Inventors:
Shuhei Kubota, Kunikazu Hiraga, Keisuke Nakayama, Matazaemon Uchida
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Sep 22, 1987
Inventors
Shuhei Kubota
Kunikazu Hiraga
Keisuke Nakayama
Matazaemon Uchida
Assignee (at issue)
NIHON NOHYAKU 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.