Granted Patent
Utility
US 6,476,178 · App. 09/868,037
Polycarbonate resin composition
Inventors:
Naoki Mitsuta, Akio Nodera
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Oct 23, 2001
Inventors
Naoki Mitsuta
Akio Nodera
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.