Granted Patent
Utility
US 6,036,765 · App. 09/053,345
Organoclay compositions and method of preparation
Inventors:
Thomas C. Farrow, Chris A. Rasmussen, William R. Menking, David Hugh Durham, Paul W. Carroll
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Apr 1, 1998
Inventors
Thomas C. Farrow
Chris A. Rasmussen
William R. Menking
David Hugh Durham
Paul W. Carroll
Assignee (at issue)
Southern Clay Products, 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.