Granted Patent
Utility
US 6,203,612 · App. 09/539,131
Process for cleaning bisphenol crystallizer
Inventors:
Rudy Francois Alain Jos Peemans, Jan Huibert Weijland, Mourice Van Sintemaartensdijk
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Mar 30, 2000
Inventors
Rudy Francois Alain Jos Peemans
Jan Huibert Weijland
Mourice Van Sintemaartensdijk
Assignee (at issue)
General Electric 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.