Granted Patent
Utility
US 5,596,041 · App. 08/414,230
Hydrogenated block copolymer and hydrogenated block copolymer compositon
Inventors:
Yoshiharu Hashiguchi, Minoru Hasegawa, Kunio Goshima, Yasuhiko Takemura, Yoshiyuki Higuchi, Motokazu Takeuchi
Patented Case
View Patent ↗
Granted: Jan 21, 1997
Filed: Mar 31, 1995
Inventors
Yoshiharu Hashiguchi
Minoru Hasegawa
Kunio Goshima
Yasuhiko Takemura
Yoshiyuki Higuchi
Motokazu Takeuchi
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.