Granted Patent
Utility
US 4,362,850 · App. 06/284,040
Process for the continuous polymerization of polyblends
Inventor:
Raymond D. Burk
Patented Case
View Patent ↗
Granted: Dec 7, 1982
Filed: Jul 17, 1981
Inventor
Raymond D. Burk
Assignee (at issue)
Monsanto 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.