Granted Patent
Utility
US 5,317,048 · App. 07/954,281
Ultra white N,N'-ethylene-bis(tetrabromophthalimide) and its production in acetic acid
Inventors:
Brian Tarbit, Brian Adger, Paul Eaton Willett
Patented Case
View Patent ↗
Granted: May 31, 1994
Filed: Sep 30, 1992
Inventors
Brian Tarbit
Brian Adger
Paul Eaton Willett
Assignee (at issue)
Great Lakes Chemical Corp.
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.