Granted Patent
Utility
US 5,932,771 · App. 09/068,426
Carbonyl compounds
Inventors:
Thomas Markert, Ulf Schaper, Volker Porrmann, Werner Faber, Theo Ten Pierik
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: May 8, 1998
Inventors
Thomas Markert
Ulf Schaper
Volker Porrmann
Werner Faber
Theo Ten Pierik
Assignee (at issue)
SmithKline Beecham Limited
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.