Granted Patent
Utility
US 4,435,478 · App. 06/401,695
Vinylidene chloride co-polymer compositions
Inventors:
Anthony J. Burgess, David L. Gardner
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Jul 26, 1982
Inventors
Anthony J. Burgess
David L. Gardner
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.