Granted Patent
Utility
US 5,527,964 · App. 08/431,033
Acetaldehyde derivatives, their preparation process and their use
Inventors:
Alain Schouteeten, Yani Christidis
Patented Case
View Patent ↗
Granted: Jun 18, 1996
Filed: Apr 28, 1995
Inventors
Alain Schouteeten
Yani Christidis
Assignee (at issue)
Societe Francaise Hoechst
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.