Granted Patent
Utility
US 5,081,316 · App. 07/457,849
Melting point enhancement of partially brominated diphenyl oxide mixtures
Inventor:
Saadat Hussain
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: Dec 27, 1989
Inventor
Saadat Hussain
Assignee (at issue)
Ethyl 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.