Granted Patent
Utility
US 4,471,114 · App. 06/454,646
Separation of mannose by selective adsorption on zeolitic molecular sieves
Inventors:
John D. Sherman, Chien-Chung Chao
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Dec 30, 1982
Inventors
John D. Sherman
Chien-Chung Chao
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.