Granted Patent
Utility
US 4,524,161 · App. 06/640,915
Process for preparing aqueous binder compositions
Inventor:
Martin Feuerhahn
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Aug 15, 1984
Inventor
Martin Feuerhahn
Assignee (at issue)
SHELL OIL COMPANY
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.