Granted Patent
Utility
US 6,407,155 · App. 09/516,136
Intercalates formed via coupling agent-reaction and onium ion-intercalation pre-treatment of layered material for polymer intercalation
Inventors:
Guoqiang Qian, Tie Lan, Aaron M. Fay, Anthony S. Tomlin
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Mar 1, 2000
Inventors
Guoqiang Qian
Tie Lan
Aaron M. Fay
Anthony S. Tomlin
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.