Granted Patent
Utility
US 4,849,425 · App. 06/824,088
Readily absorbable pharmaceutical composition
Inventors:
Nobuo Kondo, Tsunetaka Nakajima, Masahiro Watanabe, Kazumasa Yokoyama, Tadakazu Suyama, Takahiro Haga, Nobutoshi Yamada, Hideo Sugi, Toru Koyanagi
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Jan 30, 1986
Inventors
Nobuo Kondo
Tsunetaka Nakajima
Masahiro Watanabe
Kazumasa Yokoyama
Tadakazu Suyama
Takahiro Haga
Nobutoshi Yamada
Hideo Sugi
Toru Koyanagi
Assignees (at issue)
ISHIHARA SANGYO KAISHA, LTD.
Green Cross 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.