Granted Patent
Utility
US 6,498,228 · App. 09/868,919
Flame-retardant polycarbonate resin composition and molded product
Inventors:
Akio Nodera, Shigeki Kuze, Tsuyoshi Murakami, Naoki Mitsuta
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Oct 16, 2001
Inventors
Akio Nodera
Shigeki Kuze
Tsuyoshi Murakami
Naoki Mitsuta
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.