Granted Patent
Utility
US 6,299,796 · App. 09/606,675
Styryl compound, method for the preparation thereof and electroluminescent element employing the same
Inventor:
Tatsuya Igarashi
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Jun 30, 2000
Inventor
Tatsuya Igarashi
Assignee (at issue)
Fujitsu Limited
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.