Granted Patent
Utility
US 6,316,068 · App. 09/149,996
Elastomer composition
Inventors:
Tetsuo Masubuchi, Mitsuhiro Tanaka
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Sep 9, 1998
Inventors
Tetsuo Masubuchi
Mitsuhiro Tanaka
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.