Granted Patent
Utility
US 4,468,480 · App. 06/385,782
Ester and halogen containing polyols
Inventor:
Henry J. Barda
Patented Case
View Patent ↗
Granted: Aug 28, 1984
Filed: Jun 7, 1982
Inventor
Henry J. Barda
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.