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:
Feb. 28, 2017
Filed:
Jun. 02, 2016
Applicant:
Novomer, Inc., Ithaca, NY (US);
Inventors:
Assignee:
Novomer, Inc., Ithaca, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/04 (2006.01); C08G 64/34 (2006.01); C09B 57/10 (2006.01); B01J 31/22 (2006.01); C07F 15/06 (2006.01);
U.S. Cl.
CPC ...
C08G 64/34 (2013.01); B01J 31/2217 (2013.01); C07F 15/065 (2013.01); C09B 57/10 (2013.01); B01J 2540/42 (2013.01);
Abstract
The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex.