Granted Patent
Utility
US 6,399,690 · App. 09/800,944
LAYERED COMPOSITIONS WITH MULTI-CHARGED ONIUM IONS AS EXCHANGE CATIONS, AND THEIR APPLICATION TO PREPARE MONOMER, OLIGOMER, AND POLYMER INTERCALATES AND NANOCOMPOSITES PREPARED WITH THE LAYERED COMPOSITIONS OF THE INTERCALATES
Inventors:
Tie Lan, Erin K. Westphal, Vasiliki Psihogios, Ying Liang
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Mar 7, 2001
Inventors
Tie Lan
Erin K. Westphal
Vasiliki Psihogios
Ying Liang
Assignee (at issue)
AMCOL INTERNATIONAL 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.