Granted Patent
Utility
US 5,225,592 · App. 07/859,357
Procedure for obtaining derivatives from acetic acid
Inventors:
José Ramón OCHOA GÓMEZ, Juan L. Martin Ramon, Jose Sanchez Sanchez, Asuncion de Diego Zori
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Jun 12, 1992
Inventors
José Ramón OCHOA GÓMEZ
Juan L. Martin Ramon
Jose Sanchez Sanchez
Asuncion de Diego Zori
Assignee (at issue)
ERCROS, 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.