Granted Patent
Utility
US 6,566,296 · App. 09/904,316
Process for preparing an additive-based mixed metal catalyst, its composition and use
Inventors:
Frans Lodewijk Plantenga, Sonja Eijsbouts, Marinus Bruce Cerfontain
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jul 12, 2001
Inventors
Frans Lodewijk Plantenga
Sonja Eijsbouts
Marinus Bruce Cerfontain
Assignee (at issue)
AKZO NOBEL N.V.
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.