Granted Patent
Utility
US 5,756,768 · App. 08/693,230
Process for preparing carboxylic acid derivative
Inventors:
Fumihiko Kanou, Toshihiro Takeda, Natsuki Mori, Kazunori Kan
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Aug 22, 1996
Inventors
Fumihiko Kanou
Toshihiro Takeda
Natsuki Mori
Kazunori Kan
Assignee (at issue)
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
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.