Granted Patent
Utility
US 5,453,547 · App. 08/316,654
Process for the manufacture of gamma-acetoxytiglic aldehyde
Inventor:
Ulriche Zutter
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Sep 30, 1994
Inventor
Ulriche Zutter
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.