Granted Patent
Utility
US 5,258,407 · App. 07/816,503
3,4-disubstituted phenols-immunomodulating agents
Inventors:
William N. Washburn, Barbara B. Lussier, Carl B. Illig, Lee H. Latimer
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Dec 31, 1991
Inventors
William N. Washburn
Barbara B. Lussier
Carl B. Illig
Lee H. Latimer
Assignee (at issue)
Sterling Winthrop 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.