Granted Patent
Utility
US 4,242,341 · App. 06/075,706
2,9-Dioxatricyclo [4,3,1,0.sup.3,7 ] decane derivatives and pharmaceutical compositions
Inventors:
Peter W. Thies, Akiji Asai, Samuell David
Patented Case
View Patent ↗
Granted: Dec 30, 1980
Filed: Sep 14, 1979
Inventors
Peter W. Thies
Akiji Asai
Samuell David
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.