Granted Patent
Utility
US 5,993,706 · App. 08/874,572
Oxygenated hydrocarbon compatibilizing agent for carbon dioxide-blown polyolefinic foams
Inventors:
Gary R. Wilkes, Kim A. Bly, Harris A. Dunbar, Eugene R. Uhl, James Zwynenburg
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Jun 13, 1997
Inventors
Gary R. Wilkes
Kim A. Bly
Harris A. Dunbar
Eugene R. Uhl
James Zwynenburg
Assignee (at issue)
Tenneco Protective Packaging, 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.