Granted Patent
Utility
US 4,385,145 · App. 06/322,506
Phosphite stabilizers for polyester resins
Inventor:
William E. Horn, Jr.
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Nov 18, 1981
Inventor
William E. Horn, Jr.
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.