Granted Patent
Utility
US 6,770,258 · App. 10/128,388
Ultrastable hexagonal, cubic and wormhole aluminosilicate mesostructures
Inventors:
Thomas J. Pinnavaia, Wenzhong Zhang, YU-LIN LIU
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Apr 23, 2002
Inventors
Thomas J. Pinnavaia
Wenzhong Zhang
YU-LIN LIU
Assignee (at issue)
Board of Trustees of Michigan State University
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.