Granted Patent
Utility
US 5,395,964 · App. 08/245,898
Preparation process for hydroxyphenylacetic acids
Inventors:
Jean-Claude Vallejos, Yani Christidis
Patented Case
View Patent ↗
Granted: Mar 7, 1995
Filed: May 19, 1994
Inventors
Jean-Claude Vallejos
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.