Granted Patent
Utility
US 6,117,542 · App. 09/024,745
Flame retardant resin composition
Inventors:
Nobutsugu Nanba, Hideki Nasu
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Feb 17, 1998
Inventors
Nobutsugu Nanba
Hideki Nasu
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.