Granted Patent
Utility
US 4,639,436 · App. 05/936,280
Antidiabetic 3,4,5-trihydroxypiperidines
Inventors:
Bodo Junge, Hans-Peter Krause, Lutz Muller, Walter Puls
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: Aug 23, 1978
Inventors
Bodo Junge
Hans-Peter Krause
Lutz Muller
Walter Puls
Assignee (at issue)
Bayer Aktiengesellschaft
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.