Granted Patent
Utility
US 5,013,785 · App. 07/210,492
Pressure-sensitive adhesive composition comprising poly-4-methyl-1-pentene as tackifier
Inventor:
Kinya Mizui
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Aug 8, 1988
Inventor
Kinya Mizui
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.