Granted Patent
Utility
US 5,034,449 · App. 07/405,254
Moldable polyblends of polyolefins and styrenic resins
Inventor:
Ramesh Mallikarjun
Patented Case
View Patent ↗
Granted: Jul 23, 1991
Filed: Sep 11, 1989
Inventor
Ramesh Mallikarjun
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.