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:
Nov. 02, 2021
Filed:
Nov. 04, 2019
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Miguel Paradas-Palomo, Barcelona, ES;
Sonia Flores-Penalba, Barcelona, ES;
José Garcia-Miralles, Duesseldorf, DE;
Hans-Georg Kinzelmann, Pulheim, DE;
Rosa Maria Sebastián Pérez, Barcelona, ES;
Jorge Marquet Cortés, Barcelona, ES;
Jorge Aguilera Corrochano, Barcelona, ES;
Federica Arioli, Barcelona, ES;
Henkel AG & Co. KGaA, Duesseldorf, DE;
Abstract
The present application is directed to a method for preparing a cyclic carbonate functional polyester, said method comprising: reacting glycerine carbonate with an anhydride to form an Adduct (A); and, reacting said Adduct (A) with at least one polyepoxide compound to form said cyclic carbonate functional polyester (CC-PES). More particularly, the present application is directed to a method for preparing a cyclic carbonate functional polyester, said method comprising the stages: A) reacting glycerine carbonate with an anhydride to form an Adduct (A); B) providing a polycarboxylic acid; C) reacting said polycarboxylic acid with at least one diglycidyl ether to form an epoxy functional polyester; and, D) reacting said epoxy functional polyester with said Adduct (A) to form said cyclic carbonate functional polyester.