Granted Patent
Utility
US 4,388,432 · App. 06/330,936
Repulpable acrylic acid based pressure-sensitive adhesive
Inventor:
Robert Eskay
Patented Case
View Patent ↗
Granted: Jun 14, 1983
Filed: Dec 15, 1981
Inventor
Robert Eskay
Assignee (at issue)
Permacel
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.