Granted Patent
Utility
US 5,416,234 · App. 08/108,569
Process for the preparation of 3'-aminopropyl 2-sulfatoethyl sulfone
Inventors:
Michael Meier, Heinrich Angenendt, Georg Grotsch
Patented Case
View Patent ↗
Granted: May 16, 1995
Filed: Aug 25, 1993
Inventors
Michael Meier
Heinrich Angenendt
Georg Grotsch
Assignee (at issue)
Hoechst GmbH
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.