Granted Patent
Utility
US 6,579,824 · App. 09/581,452
Catalyst based on palladium, gold, alkali, and lanthanoid, and a method for producing vinyl acetate
Inventors:
Bernhard Herzog, Tao Wang, Toan Nicolau
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Jul 20, 2000
Inventors
Bernhard Herzog
Tao Wang
Toan Nicolau
Assignees (at issue)
CELANESE CHEMICALS EUROPE GMBH
Celanese International Corporation
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.