Granted Patent
Utility
US 4,526,877 · App. 06/655,581
Attrition resistant molecular sieve
Inventors:
Arun Acharya, William E. BeVier
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Sep 28, 1984
Inventors
Arun Acharya
William E. BeVier
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.