Granted Patent
Utility
US 4,857,526 · App. 07/244,894
Aromatic 2-aminoalkyl-1,2-benzoisothiazol-3(2H)-one-1,1-dioxide
Inventors:
Marcel Hibert, Maurice W. Gittos
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Sep 12, 1988
Inventors
Marcel Hibert
Maurice W. Gittos
Assignee (at issue)
Merrell Dow Pharmaceuticals Inc.
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.