Granted Patent
Utility
US 4,880,873 · App. 07/170,628
Adhesive for chlorine-containing polymers and aromatic group-containing polymers
Inventor:
Toshihiro Sagane
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Mar 17, 1988
Inventor
Toshihiro Sagane
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.
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.