Granted Patent
Utility
US 6,448,324 · App. 09/365,406
Flame-retardant polycarbonate resin composition and its blow moldings
Inventors:
Akio Nodera, Naoki Mitsuta, Kouichi Hara
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Aug 2, 1999
Inventors
Akio Nodera
Naoki Mitsuta
Kouichi Hara
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.