Granted Patent
Utility
US 6,350,847 · App. 09/720,794
Polycarbonate resin composition and products of sheet forming thereof
Inventors:
Shigeki Kuze, Hiroshi Akamine, Jiro Chiba
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Dec 29, 2000
Inventors
Shigeki Kuze
Hiroshi Akamine
Jiro Chiba
Assignee (at issue)
Idemitsu Petrochemical Co., 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.