Granted Patent
Utility
US 5,942,201 · App. 08/011,563
Process utilizing titanium dioxide as a catalyst for the hydrolysis of carbonyl sulfide
Inventor:
Achim Hartmann
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Feb 1, 1993
Inventor
Achim Hartmann
Assignee (at issue)
Kronos, Inc.
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.