Granted Patent
Utility
US 5,446,093 · App. 08/150,929
Method for producing statistically coupled asymmetric radial polymers
Inventors:
Ronald J. Hoxmeier, Bridget A. Spence, Steven S. Chin, Michael A. Masse
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Nov 10, 1993
Inventors
Ronald J. Hoxmeier
Bridget A. Spence
Steven S. Chin
Michael A. Masse
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.