Granted Patent
Utility
US 4,585,885 · App. 06/524,541
Cyclohexenone derivatives and process for making same
Inventors:
Kurt Bernhard, Robert Karl Muller, Robert Spruijtenburg
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Aug 19, 1983
Inventors
Kurt Bernhard
Robert Karl Muller
Robert Spruijtenburg
Assignee (at issue)
HOFFMANN-LA ROCHE INC.
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.