Granted Patent
Utility
US 6,187,868 · App. 09/320,030
Chlorinated polyvinyl chloride compound having excellent physical, chemical resistance and processing properties
Inventors:
Arthur L. Backman, Bernard F. Cinadr
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: May 26, 1999
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.