Granted Patent
Utility
US 5,652,315 · App. 08/663,596
Method for preparing ethylene copolymer
Inventors:
Norihide Inoue, Tetsunosuke Shiomura, Masahiro Kouno
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Jun 14, 1996
Inventors
Norihide Inoue
Tetsunosuke Shiomura
Masahiro Kouno
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.