Granted Patent
Utility
US 6,737,472 · App. 10/413,679
Reinforced networked polymer/clay alloy composite
Inventors:
Zhihong Zhou, John Donald Payzant, Walter van Woudenberg
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Apr 15, 2003
Inventors
Zhihong Zhou
John Donald Payzant
Walter van Woudenberg
Assignees (at issue)
Alberta Research Council Inc.
Nilex 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.