Granted Patent
Utility
US 5,962,696 · App. 09/094,319
Process for the preparation of 1-(N 2-(S)-ethoxycarbonyl)--3 phenylpropyl-N6-trifluoracetyl))-L-lysyl-L-prolin (Lisinopril(Tfa) ethylester, LPE))
Inventors:
Herbert Tanner, Karlheinz Drauz, Klaus Stingl, Gerhard Sator, Horst Bethge, Roland Moller, Thomas Tacke, Claus Rehren
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Jun 9, 1998
Inventors
Herbert Tanner
Karlheinz Drauz
Klaus Stingl
Gerhard Sator
Horst Bethge
Roland Moller
Thomas Tacke
Claus Rehren
Assignee (at issue)
Degussa AG
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.