Granted Patent
Utility
US 4,663,052 · App. 06/808,173
Drying process using chabazite-type adsorbents
Inventors:
John D. Sherman, Moez M. Nagji, Ronald J. Ross, Joseph P. Ausikaitis, Desh R. Garg
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Dec 12, 1985
Inventors
John D. Sherman
Moez M. Nagji
Ronald J. Ross
Joseph P. Ausikaitis
Desh R. Garg
Assignee (at issue)
Union Carbide 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.