Granted Patent
Utility
US 5,312,832 · App. 07/702,220
Ocular hypotensive 2-decarboxyl-2-acylthioalkyl prostaglandin derivatives
Inventor:
Ming Fai Chan
Patented Case
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Granted: May 17, 1994
Filed: May 17, 1991
Inventor
Ming Fai Chan
Assignee (at issue)
Allergan, 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.