Granted Patent
Utility
US 4,264,342 · App. 06/135,053
Thermally condensed mixture of polyacrylonitrile and ferrous acetate as carbon monoxide adsorbent
Inventors:
Mary T. Arnold, John J. Leonard, John J. McCoy
Patented Case
View Patent ↗
Granted: Apr 28, 1981
Filed: Mar 28, 1980
Inventors
Mary T. Arnold
John J. Leonard
John J. McCoy
Assignee (at issue)
Atlantic Richfield Company
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.