Granted Patent
Utility
US 4,889,927 · App. 07/163,839
Production process of phenylglycosides
Inventors:
Koji Murakami, Fumiaki Nakatsubo, Yoshiaki Katsura, Motoo Matukura
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Mar 3, 1988
Inventors
Koji Murakami
Fumiaki Nakatsubo
Yoshiaki Katsura
Motoo Matukura
Assignee (at issue)
Jujo Paper 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.