Granted Patent
Utility
US 5,387,630 · App. 08/115,271
Polyolefin-extrusion coating compositions having good coatability, good adhesion to the substrate, and good chill roll release
Inventors:
Ray Edwards, Bruce W. Foster
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Aug 31, 1993
Inventors
Ray Edwards
Bruce W. Foster
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.