Granted Patent
Utility
US 4,034,065 · App. 05/617,083
Preparation of CU+ zeolites
Inventors:
Paul Haruo Kasai, James N. Francis, Roland Justin Bishop, Jr.
Patented Case
View Patent ↗
Granted: Jul 5, 1977
Filed: Sep 26, 1975
Inventors
Paul Haruo Kasai
James N. Francis
Roland Justin Bishop, Jr.
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.