Granted Patent
Utility
US 4,417,030 · App. 06/348,474
Mass polymerization process for ABS polyblends
Inventors:
Vincent A. Aliberti, Robert L. Kruse, Eduardo M. Valcarce
Patented Case
View Patent ↗
Granted: Nov 22, 1983
Filed: Feb 12, 1982
Inventors
Vincent A. Aliberti
Robert L. Kruse
Eduardo M. Valcarce
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.