Granted Patent
Utility
US 4,284,611 · App. 06/060,260
Aqueous phosphate-stabilized polyaluminum sulfate solutions and preparation thereof
Inventors:
Alan B. Gancy, Christian A. Wamser
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Jul 25, 1979
Inventors
Alan B. Gancy
Christian A. Wamser
Assignee (at issue)
Allied Chemical 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.