Granted Patent
Utility
US 4,853,445 · App. 07/052,508
Dibutylin compounds in styrene monomer polymerization
Inventors:
Bernard H. Meyer, Joseph C. Kinslow, Paul E. Arch, D. Harper Meek
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: May 21, 1987
Inventors
Bernard H. Meyer
Joseph C. Kinslow
Paul E. Arch
D. Harper Meek
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.