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. 30, 2026
Filed:
May. 07, 2020
Applicant:
Eni S.p.a., Rome, IT;
Inventors:
Paolo Biagini, Novara, IT;
Riccardo PO, Novara, IT;
Simona Losio, Garbagnate Milanese, IT;
Massimiliano Brivio, Monza, IT;
Assignee:
ENI S.P.A., Rome, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/02 (2006.01); B01J 31/18 (2006.01); C07F 1/00 (2006.01); C08G 64/34 (2006.01);
U.S. Cl.
CPC ...
C08G 64/0208 (2013.01); B01J 31/1815 (2013.01); C07F 1/005 (2013.01); C08G 64/34 (2013.01); B01J 2531/31 (2013.01); B01J 2531/62 (2013.01); B01J 2531/72 (2013.01); B01J 2531/84 (2013.01); B01J 2531/845 (2013.01); B01J 2540/10 (2013.01);
Abstract
There is a process for the preparation of polypropylene carbonate having the step of copolymerization of propylene oxide and carbon dioxide (CO) in the presence of a catalytic system including: