Granted Patent
Utility
US 6,518,436 · App. 09/989,186
Process for preparing pharmacologically acceptable salt of n-(1(s)-ethoxycarbonyl-3-phenylpropyl)-L-alanyl-amino acid
Inventors:
Yasuyoshi Ueda, Koichi Kinoshita, Tadashi Moroshima, Yoshifumi Yanagida, Yoshihide Fuse
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Nov 21, 2001
Inventors
Yasuyoshi Ueda
Koichi Kinoshita
Tadashi Moroshima
Yoshifumi Yanagida
Yoshihide Fuse
Assignee (at issue)
KANEKA CORPORATION
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.