Granted Patent
Utility
US 4,450,125 · App. 06/037,399
Process for the production of polypropylene fibrids
Inventors:
Georges Voituron, Jean-Pierre Pleska
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: May 7, 1979
Inventors
Georges Voituron
Jean-Pierre Pleska
Assignee (at issue)
Solvay & Cie
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.