Granted Patent
Utility
US 5,936,094 · App. 08/875,075
Process for the preparation of 1,2-benzisothiazolin-3-ones
Inventor:
Mark Robert James
Patented Case
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Granted: Aug 10, 1999
Filed: Jul 17, 1997
Inventor
Mark Robert James
Assignee (at issue)
Zeneca 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.