Granted Patent
Utility
US 5,182,048 · App. 07/767,482
Colloidal antimony pentoxide powders and method of making
Inventors:
Donald P. Kintz, David L. Catone
Patented Case
View Patent ↗
Granted: Jan 26, 1993
Filed: Sep 30, 1991
Inventors
Donald P. Kintz
David L. Catone
Assignee (at issue)
Nyacol Products, 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.