Granted Patent
Utility
US 5,883,258 · App. 08/968,053
Process for preparing 3-chlorobenzisothiazoles
Inventors:
Helmut Kraus, Andreas Krebs, Robert Sollner
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Nov 10, 1997
Inventors
Helmut Kraus
Andreas Krebs
Robert Sollner
Assignee (at issue)
Bayer Aktiengesellschaft
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.