Granted Patent
Utility
US 6,074,979 · App. 09/083,008
Polybetaine-stabilized, palladium-containing nanoparticles, a process for preparing them and also catalysts prepared from them for producing vinyl acetate
Inventors:
Alfred Hagemeyer, Uwe Dingerdissen, Hans Millauer, Andreas Manz, Klaus Kuhlein
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: May 21, 1998
Inventors
Alfred Hagemeyer
Uwe Dingerdissen
Hans Millauer
Andreas Manz
Klaus Kuhlein
Assignee (at issue)
Celanese GmbH
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.