Granted Patent
Utility
US 4,442,273 · App. 06/482,391
Process and apparatus for continuous polymerization of a monovinyl aromatic monomer
Inventors:
David S. Neiditch, Gerald A. Bullano, Robert J. DiLullo, David E. Ofstein
Patented Case
View Patent ↗
Granted: Apr 10, 1984
Filed: Apr 6, 1983
Inventors
David S. Neiditch
Gerald A. Bullano
Robert J. DiLullo
David E. Ofstein
Assignee (at issue)
Atlantic Richfield 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.