Granted Patent
Utility
US 4,473,663 · App. 06/480,698
Crystalline aluminophosphate compositions
Inventors:
Robert L. Patton, Richard T. Gajek
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Mar 31, 1983
Inventors
Robert L. Patton
Richard T. Gajek
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.