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. 04, 2019
Filed:
Apr. 07, 2017
Applicant:
Imperial Innovations Limited, London, GB;
Inventors:
Assignee:
Imperial Innovations Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/34 (2006.01); B01J 31/18 (2006.01); B01J 31/22 (2006.01); C07C 217/58 (2006.01); B01J 31/04 (2006.01);
U.S. Cl.
CPC ...
C08G 64/34 (2013.01); B01J 31/1835 (2013.01); B01J 31/226 (2013.01); B01J 31/2239 (2013.01); B01J 31/2243 (2013.01); C07C 217/58 (2013.01); B01J 31/04 (2013.01); B01J 2531/0216 (2013.01); B01J 2531/0241 (2013.01); B01J 2531/22 (2013.01); B01J 2531/26 (2013.01); B01J 2531/62 (2013.01); B01J 2531/72 (2013.01); B01J 2531/842 (2013.01); B01J 2531/845 (2013.01);
Abstract
The present invention provides a novel catalyst of formula (I): wherein M is selected from Zn(H), Co(II), Mn(II), Mg(II), Fe(II), Cr(III)—X or Fe(III)—X, and the use thereof in polymerizing carbon dioxide and an epoxide.