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:
Apr. 09, 2013
Filed:
Jul. 03, 2009
Applicants:
Marion Helou, Ixelles, BE;
Sophie Guillaume, Vitré, FR;
Jean-françois Carpentier, Acigne, FR;
Olivier Miserque, Mont-Saint-Guibert, BE;
Inventors:
Marion Helou, Ixelles, BE;
Sophie Guillaume, Vitré, FR;
Jean-François Carpentier, Acigne, FR;
Olivier Miserque, Mont-Saint-Guibert, BE;
Assignees:
Total Petrochemicals Research Feluy, Seneffe (Feluy), BE;
Centre National de la Recherche Scientifique, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/00 (2006.01); C08G 63/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to the polymerisation of five-, six- or seven-membered cyclic carbonates by ring-opening polymerisation in the presence of a system comprising a metal salt such as triflate, triflimidate, acetylacetonate or carboxylate and an alcohol.