Granted Patent
Utility
US 5,693,713 · App. 08/453,241
Process for making block graft copolymers by grafting halosilanes onto polyolefin/diene polymers
Inventors:
Ronald J. Hoxmeier, Bridget A. Spence, Robert C. Job
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: May 30, 1995
Inventors
Ronald J. Hoxmeier
Bridget A. Spence
Robert C. Job
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.