Granted Patent
Utility
US 6,750,368 · App. 10/194,891
Process for preparing sulphuric methacrylamide and device for implementing it
Inventors:
Jean-François Croisy, Michel Tosi
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Jul 12, 2002
Inventors
Jean-François Croisy
Michel Tosi
Assignee (at issue)
Atofina
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.