Granted Patent
Utility
US 4,762,882 · App. 06/878,660
Modified polyolefin resin and a composition containing the same
Inventors:
Shigeaki Okano, Katsuhiko Hayashi, Yoshiteru Sakurazawa, Yoshinori Suga
Patented Case
View Patent ↗
Granted: Aug 9, 1988
Filed: Jun 26, 1986
Inventors
Shigeaki Okano
Katsuhiko Hayashi
Yoshiteru Sakurazawa
Yoshinori Suga
Assignee (at issue)
Mitsubishi Chemical 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.