Granted Patent
Utility
US 6,743,286 · App. 09/921,502
Inorganic particles and methods of making
Inventors:
Fu-Chu Wen, Duen-Wu Hua, Deborah E. Busch
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Aug 1, 2001
Inventors
Fu-Chu Wen
Duen-Wu Hua
Deborah E. Busch
Assignee (at issue)
Millennium Inorganic 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.