Granted Patent
Utility
US 5,726,239 · App. 08/620,778
Monovinyl aromatic block copolymer containing compositions and microgranules and powders derived therefrom to be used in rotational molding and similar processes
Inventors:
Caroline Rita Nicole Maes, Peter Migchels
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Mar 22, 1996
Inventors
Caroline Rita Nicole Maes
Peter Migchels
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.