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:
Mar. 05, 2013
Filed:
Mar. 15, 2005
Frédéric Ben, Toulouse, FR;
Didier Bourissou, Plaisance du Touch, FR;
Roland Cherif-cheikh, Castelldefels, ES;
Anne DE Sousa Delgado, Moilins de Rei, ES;
Magalie Graullier, Toulouse, FR;
Blanca Martin-vaca, Toulouse, FR;
Frédéric Ben, Toulouse, FR;
Didier Bourissou, Plaisance du Touch, FR;
Roland Cherif-Cheikh, Castelldefels, ES;
Anne De Sousa Delgado, Moilins de Rei, ES;
Magalie Graullier, Toulouse, FR;
Blanca Martin-Vaca, Toulouse, FR;
Ipsen Pharma S.A.S., Boulogne-Billancourt, FR;
Abstract
The use of a catalytic ring-opening lactide and glycolide (co)oligomerization system consisting of a strongly acidic ion-exchange resin-type polymeric catalyst and a (co)oligomerization additive, and a lactide and glycolide (co)oligomerization method using said catalytic system, are disclosed.