Granted Patent
Utility
US 6,156,845 · App. 08/809,863
Polyolefin composition and method of making
Inventors:
Jun Saito, Hideo Nobuhara, Shingo Kikukawa, Hitoshi Sato, Akira Yamauchi
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Apr 2, 1997
Inventors
Jun Saito
Hideo Nobuhara
Shingo Kikukawa
Hitoshi Sato
Akira Yamauchi
Assignee (at issue)
Chisso 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.