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:
Dec. 09, 2014
Filed:
Jun. 16, 2011
Applicants:
Moshe Kol, Ramat Gan, IL;
Konstantin Press, Rishon-LeZion, IL;
Ad Cohen, Tel-Aviv, IL;
Inventors:
Assignee:
Ramot at Tel-Aviv University Ltd., Tel-Aviv, IL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/76 (2006.01); C07D 207/09 (2006.01); C07F 7/00 (2006.01); C07C 251/24 (2006.01); C07F 7/28 (2006.01); C08F 12/08 (2006.01); C08F 10/00 (2006.01); C07C 249/02 (2006.01); C08F 110/02 (2006.01); C08F 210/16 (2006.01); C08F 110/14 (2006.01); C08F 110/06 (2006.01);
U.S. Cl.
CPC ...
C07C 251/24 (2013.01); C07C 2103/74 (2013.01); C08F 110/02 (2013.01); C08F 4/76 (2013.01); C08F 210/16 (2013.01); C08F 110/14 (2013.01); C08F 110/06 (2013.01); C07F 7/00 (2013.01); C08F 12/08 (2013.01); C07D 207/09 (2013.01); C08F 10/00 (2013.01); C07C 249/02 (2013.01); C07F 7/28 (2013.01);
Abstract
Use of homogeneous catalytic systems which include as a pre-catalyst a complex of a Group IV metal and a salalen ligand in the polymerization of alpha-olefins, is disclosed. The alpha-olefin polymers obtained are characterized by controlled levels of tacticity. Also disclosed are novel salalen ligands and novel complexes thereof with Group IV metals.