Granted Patent
Utility
US 6,040,348 · App. 09/121,103
Composition based on propylene polymers for expanded granules, process for obtaining it and its use
Inventors:
Emmanuel Delaite, Jean-Paul Charlier, Giuliano Bertozzi
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Jul 23, 1998
Inventors
Emmanuel Delaite
Jean-Paul Charlier
Giuliano Bertozzi
Assignee (at issue)
Solvay Polyolefins Europe-Belgium (Societe Anonyme)
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.