Granted Patent
Utility
US 6,512,077 · App. 09/889,044
Polycarbonate-base flame-retardant resin composition
Inventors:
Akira Miyamoto, Hiroshi Hachiya, Nobutsugu Nanba
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Jul 11, 2001
Inventors
Akira Miyamoto
Hiroshi Hachiya
Nobutsugu Nanba
Assignee (at issue)
ASAHI KASEI KABUSHIKI KAISHA
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.