The invention concerns a battery separator comprising at least one fibrous layer and at least one support layer, wherein said support layer is formed of an acid-resistant material and comprises a plurality of macroscopic openings. ...http://www.google.es/patents/US20030054232?utm_source=gb-gplus-sharePatente US20030054232 - Reinforced multilayer separator for lead-acid batteries
Reinforced multilayer separator for lead-acid batteries
Número de solicitud: 09/957,602 Número de publicación: US 2003/0054232 A1 Fecha de presentación: 20 Sep 2001 Patente emitida: US6852444 ( Fecha de emisión 8 Feb 2005)
