Granted Patent
Utility
US 5,948,547 · App. 08/763,443
Composition based on statistical propylene copolymers, process for their manufacture and multilayer heat-sealable sheets containing them
Inventors:
Raymond Mikielski, Veerle Deblauwe, Mathieu Wilkin
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Dec 11, 1996
Inventors
Raymond Mikielski
Veerle Deblauwe
Mathieu Wilkin
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.