Granted Patent
Utility
US 6,017,562 · App. 09/025,665
Non-spherical and non-platelet crystalline forms of pyrithione salts
Inventors:
Charles W. Kaufman, Saeed H. Mohseni, John J. Jardas, George Polson, David C. Beaty
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Feb 18, 1998
Inventors
Charles W. Kaufman
Saeed H. Mohseni
John J. Jardas
George Polson
David C. Beaty
Assignee (at issue)
Arch Chemicals, Inc.
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.