Granted Patent
Utility
US 6,083,428 · App. 08/913,789
Flame-retardant resin composition
Inventors:
Eiji Ueda, Hideo Kasahara, Kazuhiro Matsubara, Tsutomu Katsumata
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Sep 5, 1997
Inventors
Eiji Ueda
Hideo Kasahara
Kazuhiro Matsubara
Tsutomu Katsumata
Assignee (at issue)
ASAHI KASEI KOGYO 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.