Granted Patent
Utility
US 6,663,963 · App. 10/369,610
Very high structure, highly absorptive hybrid silica and methods for making same
Inventors:
Barry Preston, William C. Fultz
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Feb 21, 2003
Inventors
Barry Preston
William C. Fultz
Assignee (at issue)
J.M. Huber 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.