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:
May. 19, 2020
Filed:
Jul. 28, 2016
Applicant:
Versalis S.p.a., San Donato Milanese (MI), IT;
Inventors:
Anna Sommazzi, Novara, IT;
Guido Pampaloni, Pontedera, IT;
Giovanni Ricci, Parma, IT;
Francesco Masi, Sant'angelo Lodigiano, IT;
Giuseppe Leone, Milan, IT;
Assignee:
Versalis S.P.A., San Donato Milanese, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 36/08 (2006.01); C08F 4/642 (2006.01); C08F 4/643 (2006.01); C08F 36/06 (2006.01); C07F 7/28 (2006.01); C07F 7/00 (2006.01); C07D 221/00 (2006.01); C08F 4/64 (2006.01);
U.S. Cl.
CPC ...
C08F 36/08 (2013.01); C07F 7/003 (2013.01); C07F 7/28 (2013.01); C08F 36/06 (2013.01); C08F 4/64044 (2013.01); C08F 4/64048 (2013.01);
Abstract
Disclosed are nitrogen titanium complexes having general formula (I) or (II). Catalytic systems that include the nitrogen titanium complexes and that can be used for the (co)polymerization of conjugated dienes are disclosed. Processes for (co)polymerization of conjugated dienes using the catalytic systems are also disclosed.