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:
Sep. 10, 2013
Filed:
Mar. 27, 2008
Claudio Fernández Acevedo, Los Arcos, ES;
Luis Martínez DE Morentín Osaba, Los Arcos, ES;
Edurne Osés Arteta, Los Arcos, ES;
Germán Medina Herrera, Los Arcos, ES;
María Antonia Fernández Fernández, Los Arcos, ES;
Claudio Fernández Acevedo, Los Arcos, ES;
Luis Martínez de Morentín Osaba, Los Arcos, ES;
Edurne Osés Arteta, Los Arcos, ES;
Germán Medina Herrera, Los Arcos, ES;
María Antonia Fernández Fernández, Los Arcos, ES;
Abstract
Method for the recycling of polyvinyl butyral based on obtaining recycled polyvinyl butyral (PVB) from laminated glass which is shattered and the polyvinyl butyral (PVB) is separated. The sheet obtained is cut into pieces and cleaned to eliminate dirt and foreign matter. The solid state PVB is subjected to a first polyvinyl butyral (PVB) purification stage with a chemical treatment with a first reagent and a final chemical treatment with a second reagent. The obtained purified polyvinyl butyral is suitable to be used in the manufacture of laminated glass.