Granted Patent
Utility
US 5,340,880 · App. 08/038,425
Post-chlorinated suspension-polymerized poly(vinyl chloride) having at least 70 percent chlorine
Inventors:
Arthur L. Backman, Bernard F. Cinadr
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Mar 29, 1993
Inventors
Arthur L. Backman
Bernard F. Cinadr
Assignee (at issue)
B. F. Goodrich Company
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.