Granted Patent
Utility
US 4,946,779 · App. 07/343,586
Pseudo-aminosugars, their production and use
Inventors:
Yukihiko Kameda, Satoshi Horii
Patented Case
View Patent ↗
Granted: Aug 7, 1990
Filed: Apr 27, 1989
Inventors
Yukihiko Kameda
Satoshi Horii
Assignee (at issue)
Takeda Chemical Industries 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.