Granted Patent
Utility
US 4,508,870 · App. 06/574,445
Polyblends of thermoplastic copolyetheresters and acrylonitrile-butadiene-styrene polymers
Inventors:
Daniel Dufour, William J. Jones
Patented Case
View Patent ↗
Granted: Apr 2, 1985
Filed: Jan 27, 1984
Inventors
Daniel Dufour
William J. Jones
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.