Granted Patent
Utility
US 5,663,111 · App. 08/524,898
Organoclay compositions
Inventors:
James F. Gadberry, Michael Hoey, Clois E. Powell
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Sep 7, 1995
Inventors
James F. Gadberry
Michael Hoey
Clois E. Powell
Assignees (at issue)
Southern Clay Products, Inc.
AKZO NOBEL N.V.
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.