Granted Patent
Utility
US 5,567,759 · App. 08/427,623
Propylene polymer composition
Inventors:
Hiroshi Taniguchi, Akihiko Yamamoto, Takao Nomura, Takeyoshi Nishio, Hisayuki Iwai
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Apr 21, 1995
Inventors
Hiroshi Taniguchi
Akihiko Yamamoto
Takao Nomura
Takeyoshi Nishio
Hisayuki Iwai
Assignees (at issue)
Mitsui Petrochemical Industries, Ltd.
TOYOTA JIDOSHA KABUSHIKI KAISHA
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.