Granted Patent
Utility
US 4,532,358 · App. 06/639,544
Process for the manufacture of 3-hydroxy-2,6,6,-trimethyl-2 cyclohexen-1-one
Inventors:
Teodor Lukac, Milan Soukup, Erich Widmer
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Aug 10, 1984
Inventors
Teodor Lukac
Milan Soukup
Erich Widmer
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.