Granted Patent
Utility
US 5,191,090 · App. 07/738,697
Preparation of 2-(2'-thienyl)ethylamine derivatives and synthesis of thieno[3,2-c]pyridine derivatives therefrom
Inventor:
Bradley S. DeHoff
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Jul 31, 1991
Inventor
Bradley S. DeHoff
Assignee (at issue)
Syntex (U.S.A.) LLC
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.