Granted Patent
Utility
US 4,659,785 · App. 06/764,977
Hot-melt adhesive composition
Inventors:
Riichiro Nagano, Toshihiro Sagane
Patented Case
View Patent ↗
Granted: Apr 21, 1987
Filed: Aug 13, 1985
Inventors
Riichiro Nagano
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.