Granted Patent
Utility
US 4,440,674 · App. 06/176,473
Synergistic vinyl halide stabilizer compositions of antimony organic sulfur-containing compounds, alkaline earth carboxylates and alkali metal carbonates
Inventors:
Dale J. Dieckmann, Charles W. Fletcher
Patented Case
View Patent ↗
Granted: Apr 3, 1984
Filed: Aug 8, 1980
Inventors
Dale J. Dieckmann
Charles W. Fletcher
Assignee (at issue)
Dart Industries 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.