Granted Patent
Utility
US 4,806,650 · App. 07/034,466
Process for preparing 1-deoxynojirimycin and N-derivatives thereof
Inventors:
Theo Schroder, Mathias Stubbe
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Apr 2, 1987
Inventors
Theo Schroder
Mathias Stubbe
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.