A flexible storage bag for storing food items and the like is provided with a separation material positioned to cover an aperture disposed in and/or a one-way valve element attached to the storage bag. The separation material may be a non-woven material. When latent air remaining in the interior volume...http://www.google.es/patents/US20060110079?utm_source=gb-gplus-sharePatente US20060110079 - Storage bag
Número de solicitud: 11/170,524 Número de publicación: US 2006/0110079 A1 Fecha de presentación: 29 Jun 2005 Patente emitida: US8061899 ( Fecha de emisión 22 Nov 2011)
