Granted Patent
Utility
US 5,115,010 · App. 07/684,517
Fire-retardant polyamide composition having good heat resistance
Inventors:
Hideki Sakai, Kazuo Ishiwatari, Fumitoshi Ikejiri
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Apr 15, 1991
Inventors
Hideki Sakai
Kazuo Ishiwatari
Fumitoshi Ikejiri
Assignee (at issue)
Mitsui Petrochemical Industries, 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.