Granted Patent
Utility
US 6,586,528 · App. 09/712,167
Composition based on propylene polymers and process for obtaining same
Inventors:
Emmanuel Delaite, Herve Cuypers
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Nov 15, 2000
Inventors
Emmanuel Delaite
Herve Cuypers
Assignee (at issue)
Polypropylene Belgium Naamlose Vennootschap
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.