Granted Patent
Utility
US 4,885,413 · App. 07/338,422
Process and composition for stabilization of ar-brominated styrenic monmer against premature stabilization
Inventors:
Stephen M. Campbell, John C. Wozny
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Apr 14, 1989
Inventors
Stephen M. Campbell
John C. Wozny
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.