Granted Patent
Utility
US 4,518,795 · App. 06/446,124
Bis(beta-pentabromophenoxyethyl) succinate, a flame retardant for ABS
Inventor:
Yuval Halpern
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Dec 2, 1982
Inventor
Yuval Halpern
Assignee (at issue)
Borg-Warner Chemicals, Inc.
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.