Granted Patent
Utility
US 5,191,024 · App. 07/524,809
Hydrogenated diene block copolymer and composition comprising the same
Inventors:
Tooru Shibata, Toshio Teramoto, Yoshiharu Hashiguchi, Kunio Goshima
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: May 18, 1990
Inventors
Tooru Shibata
Toshio Teramoto
Yoshiharu Hashiguchi
Kunio Goshima
Assignee (at issue)
Japan Synthetic Rubber Corporation
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.