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:
Oct. 22, 2024
Filed:
Jun. 14, 2021
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Jose Garcia Miralles, Duesseldorf, DE;
Sonia Flores Penalba, Cerdanyola del Valles, ES;
Marta Rodriguez Ble, Cornella de Llobregat, ES;
Vito Maltese, San Vito sullo Ionio, IT;
Miguel Paradas-Palomo, Leverkusen, DE;
Rosa Maria Sebastian Perez, Ripollet, ES;
Jorge Marquet Cortes, 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 the stages of (A) reacting glycerine carbonate with an anhydride to form an Adduct (A), (B) reacting said Adduct (A) with at least one polyepoxide compound to form an Adduct (B), and (C) reacting said Adduct (B) with at least one polycarboxylic acid to form said cyclic carbonate functional polyester.