Granted Patent
Utility
US 6,083,866 · App. 08/796,574
Catalytic system which can be used for the stereospecific polymerisation of .alpha.-olefins, process for this polymerisation and polymers obtained
Inventors:
Jean-Louis Costa, Sabine Pamart, Herve Collette, Serge Bettonville
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Feb 6, 1997
Inventors
Jean-Louis Costa
Sabine Pamart
Herve Collette
Serge Bettonville
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.