Granted Patent
Utility
US 5,756,613 · App. 08/629,753
Catalyst support and catalyst for the polymerization of .alpha.-olefins; processes for obtaining them and polymerization of .alpha.-olefins in presence of the catalyst
Inventors:
Jean-Louis Costa, Vincent Laurent, Philippe Francois, Dirk Vercammen
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Apr 9, 1996
Inventors
Jean-Louis Costa
Vincent Laurent
Philippe Francois
Dirk Vercammen
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.