Granted Patent
Utility
US 4,690,808 · App. 06/811,282
Crystalline gallophosphate compositions
Inventors:
Stephen T. Wilson, Naomi A. Woodard, Edith M. Flanigen
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Dec 20, 1985
Inventors
Stephen T. Wilson
Naomi A. Woodard
Edith M. Flanigen
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.