Granted Patent
Utility
US 5,472,968 · App. 07/975,932
Spiro[cycloalkylbenzene-1,1'-(1',2',3',4'-tetrahydro-isoquinolines)] having neuroprotective properties
Inventors:
Ronald C. Griffith, James Matz, James J. Napier
Patented Case
View Patent ↗
Granted: Dec 5, 1995
Filed: Mar 16, 1993
Inventors
Ronald C. Griffith
James Matz
James J. Napier
Assignee (at issue)
Fisons Ltd.
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.