Granted Patent
Utility
US 6,518,324 · App. 09/723,858
Polymer foam containing nanoclay
Inventors:
Jiri E. Kresta, Jinhuang Wu, Richard M. Crooker
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Nov 28, 2000
Inventors
Jiri E. Kresta
Jinhuang Wu
Richard M. Crooker
Assignee (at issue)
ATOFINA 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.