Granted Patent
Utility
US 6,822,113 · App. 10/431,951
Process for preparing acyloxybenzenesulfonates
Inventors:
Gerd Reinhardt, Peter Naumann, Alexander Lerch, Wolf-Dieter Mueller, Narayan D. Sadanani
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: May 8, 2003
Inventors
Gerd Reinhardt
Peter Naumann
Alexander Lerch
Wolf-Dieter Mueller
Narayan D. Sadanani
Assignee (at issue)
Clariant Corporation
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.