The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 10, 2014
Filed:
Nov. 11, 2009
Applicants:
Stefano Spataro, Ferrara, IT;
Pier Luigi Di Federico, Ferrara, IT;
Giampaolo Pellegatti, Ferrara, IT;
Inventors:
Stefano Spataro, Ferrara, IT;
Pier Luigi Di Federico, Ferrara, IT;
Giampaolo Pellegatti, Ferrara, IT;
Assignee:
Basell Poliolefine Italia S.r.l., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/51 (2006.01); C08F 10/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the polymerization of one or more olefins under solution polymerization conditions to produce a polymeric solution, said process comprising contacting the produced polymeric solution with one or more antioxidant compounds before or concurrently with subjecting the polymeric solution to a devolatilization step to separate the polymer from the unreacted monomers.