Granted Patent
Utility
US 6,743,267 · App. 10/245,440
Gel-free colloidal abrasive polishing compositions and associated methods
Inventors:
Peter Jernakoff, Junaid Ahmed Siddiqui
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Sep 17, 2002
Inventors
Peter Jernakoff
Junaid Ahmed Siddiqui
Assignee (at issue)
DuPont Air Products Nanomaterials, LLC
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.