Granted Patent
Utility
US 4,385,157 · App. 06/325,260
Emulsion polymerization process for ABS polyblends
Inventors:
Richard M. Auclair, Rajendra Paul
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Nov 27, 1981
Inventors
Richard M. Auclair
Rajendra Paul
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.