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. 26, 2020
Filed:
Aug. 03, 2016
Repsol, S. A., Madrid, ES;
Carolina Ruiz Orta, Móstoles, ES;
Laura Marín Perales, Móstoles, ES;
Sonia Segura Fernández, Móstoles, ES;
Rafael Polo Abad, Móstoles, ES;
María Dolores Blanco González, Móstoles, ES;
Román Galdámez Peña, Móstoles, ES;
Mónica García Ruiz, Móstoles, ES;
José Miguel Martín Martínez, San Vicente Del Raspeig, ES;
Andrés Jesús Yáñez Pacios, San Vicente Del Raspeig, ES;
REPSOL, S.A., Madrid, ES;
Abstract
The present invention refers to a formulation suitable for the manufacture of a pressure sensitive adhesive, said formulation comprising: a) 40-95 wt % of polyalkylene carbonate having a number average molecular weight higher than 17.000 Da; b) 5-60 wt % of a polyether carbonate polyol having COgroups randomly incorporated in the chemical structure thereof, wherein the content of COranges from 0.5 to 40 wt %, based on the total weight of the polyether carbonate polyol; and c) optionally, less than 30 wt % of a tackifying resin, provided that said formulation does not contain any reticulating agent.