Granted Patent
Utility
US 6,635,697 · App. 09/768,186
Flame-retardant and flame-retarding resin composition
Inventors:
Tetsuo Kuwaki, Yasunobu Nakamura, Yasuhiro Muneuchi
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Jan 24, 2001
Inventors
Tetsuo Kuwaki
Yasunobu Nakamura
Yasuhiro Muneuchi
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.