Granted Patent
Utility
US 6,013,834 · App. 09/263,509
Production of vinyl acetate in a catalytic reactor equipped with filter and distribution bed
Inventor:
Philip M. Colling
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Mar 4, 1999
Inventor
Philip M. Colling
Assignee (at issue)
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.