Granted Patent
Utility
US 6,444,736 · App. 09/673,849
Flame retardant polyolefin composition
Inventors:
Mitsuhiro Touhara, Akira Yamauchi
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Oct 23, 2000
Inventors
Mitsuhiro Touhara
Akira Yamauchi
Assignee (at issue)
Chisso Corporation
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.