Granted Patent
Utility
US 6,251,256 · App. 09/244,953
Process for electrochemical oxidation of an aldehyde to an ester
Inventors:
George A. Blay, Ricardo E. Borjas
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Feb 4, 1999
Inventors
George A. Blay
Ricardo E. Borjas
Assignee (at issue)
Celanese International Corporation
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.