Granted Patent
Utility
US 6,548,624 · App. 10/173,005
Polycarbonate resin composition
Inventors:
Naoki Mitsuta, Akio Nodera
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Jun 18, 2002
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.