Granted Patent
Utility
US 5,212,173 · App. 07/809,448
Alkylaminoalkylamine and ether compounds, processes and intermediates for their preparation, and medicaments containing them
Inventors:
Herman Kraehling, Samuel David, Insa Hell, Ulf Preuschoff, Ivan Ban, Marie-Odile Christen
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Dec 19, 1991
Inventors
Herman Kraehling
Samuel David
Insa Hell
Ulf Preuschoff
Ivan Ban
Marie-Odile Christen
Assignee (at issue)
Kali-Chemie Pharma 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.