Granted Patent
Utility
US 6,462,167 · App. 09/831,917
Polycarbonate resin composition for gas assist injection molding, process for producing blow-molded article, and blow-molded article
Inventors:
Akio Nodera, Naoki Mitsuta, Kouichi Hara
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: May 25, 2001
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.