Granted Patent
Utility
US 6,159,404 · App. 08/233,482
Low temperature, high speed extrusion coating process and polyethylene compositions useful therefor containing a thermally sensitive additive
Inventors:
Ray Edwards, William A. Mruk
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Apr 26, 1994
Inventors
Ray Edwards
William A. Mruk
Assignee (at issue)
Eastman Chemical Company
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.