Granted Patent
Utility
US 6,423,766 · App. 09/381,978
Flame-retardant polycarbonate resin composition and electrical and electronic components made by molding the same
Inventor:
Hiroshi Itagaki
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Oct 5, 1999
Inventor
Hiroshi Itagaki
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.