Granted Patent
Utility
US 5,200,467 · App. 07/296,453
Moldable polyblends containing a polyvinyl chloride resin
Inventors:
Frank E. Lordi, Peter J. Vanderpool
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Jan 12, 1989
Inventors
Frank E. Lordi
Peter J. Vanderpool
Assignee (at issue)
Arco Chemical Technology, L.P.
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.