Granted Patent
Utility
US 6,258,984 · App. 08/107,661
Process for the preparation of 4-alkylsulfonyl-1-alkyl-2-chlorobenzenes and similar compounds
Inventors:
Georg Folz, Theodor Papenfuhs
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Aug 12, 1993
Inventors
Georg Folz
Theodor Papenfuhs
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.