Granted Patent
Utility
US 5,140,074 · App. 07/625,287
Method of producing olefin polymer graft copolymers
Inventors:
Anthony J. DeNicola, Jr., Suhas Guhaniyogi
Patented Case
View Patent ↗
Granted: Aug 18, 1992
Filed: Dec 10, 1990
Inventors
Anthony J. DeNicola, Jr.
Suhas Guhaniyogi
Assignee (at issue)
Himont Inc.
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.