Granted Patent
Utility
US 4,902,460 · App. 07/181,698
Process for preparation of molecularly oriented, silane-crosslinked ultra-high-molecular-weight polyethylene molded article
Inventors:
Kazuo Yagi, Hitoshi Mantoku
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Apr 14, 1988
Inventors
Kazuo Yagi
Hitoshi Mantoku
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.