Granted Patent
Utility
US 5,034,210 · App. 07/525,397
Method of reducing ethylene oxide emissions
Inventors:
Charles E. Winslow, Jr., Joseph L. Bush
Patented Case
View Patent ↗
Granted: Jul 23, 1991
Filed: May 18, 1990
Inventors
Charles E. Winslow, Jr.
Joseph L. Bush
Assignee (at issue)
Hoechst Celanese 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.