Granted Patent
Utility
US 5,646,012 · App. 08/483,639
Yeast promoter and use thereof
Inventors:
Reinhard Fleer, Alain Fournier, Jean-Francois Mayaux, Patrice Yeh
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Jun 7, 1995
Inventors
Reinhard Fleer
Alain Fournier
Jean-Francois Mayaux
Patrice Yeh
Assignee (at issue)
RHONE-POULENC RORER S.A.
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.