Granted Patent
Utility
US 5,776,589 · App. 08/519,886
Comolded multi-layer monovinylaromatic/conjugated diene block polymer blend system, and shaped articles derived therefrom
Inventors:
Jean Michael Mace, Jacques Moerenhout
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Aug 28, 1995
Inventors
Jean Michael Mace
Jacques Moerenhout
Assignee (at issue)
SHELL OIL 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.