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:
May. 10, 2016
Filed:
Apr. 26, 2013
Applicants:
Total Research & Technology Feluy, Seneffe, BE;
Centre National DE LA Recherche Scientifique (Cnrs), Paris, FR;
Inventors:
Jean-Francois Carpentier, Acigne, FR;
Sophie Guillaume, Vitre, FR;
Marion Helou, Rennes, FR;
Yann Sarazin, Rennes, FR;
Olivier Miserque, Mont-Saint-Guibert, BE;
Assignees:
Total Research & Technology Feluy, Seneffe, BE;
Centre National de la Recherche Scientifique (CNRS, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/30 (2006.01); C08G 64/02 (2006.01); C08K 5/00 (2006.01);
U.S. Cl.
CPC ...
C08G 64/305 (2013.01); C08K 5/0091 (2013.01);
Abstract
This invention relates to the synthesis of polycarbonates prepared from carbonate monomers derived from the biomass in the presence of a system comprising an organometallic transfer agent and alcohol. It also relates to the polymers resulting from these cyclic compounds.