Patent ID: 8978897
Filing Date: 2015-03-17
Classification: B01D,B01L,G01N

Abstract:
1. A disposable polymer-structured filtering kit, comprising: a disposable filtering funnel having a first diameter, an upper portion and a lower portion, the lower portion terminating at an inner joint; a stem extending from the inner joint, the stem having a flow discharge end positioned at a distal tip thereof; a filter disc within the funnel, the disposable filtering funnel being constructed of a polymer resistant to organic solvent; a cleanse-free vacuum take-off adapter having a port adapted for connection to an external vacuum source, the vacuum take-off adapter having a bulbous portion, a funnel engaging end and a flask or vial engaging end, the flask or vial engaging end opposite the funnel engaging end, wherein the funnel engaging end of the vacuum take-off adapter has a second diameter that is less than the first diameter and wherein the funnel engaging end of the vacuum take-off adapter releasably receives the inner joint, and wherein a top surface of the bulbous portion contacts the funnel engaging end and a bottom surface of the bulbous portion contacts the flask or vial engaging end, and wherein the bulbous portion extends between the funnel engaging end and the flask or vial engaging end; and a bottle flask or vial releasably connected to the adapter at the flask or vial engaging end of the adapter, the bottle flask or vial including a neck at a top portion of the bottle flask or vial, wherein the flask or vial engaging end of the adapter is configured to be inserted into the neck; wherein the distal tip of the stem is positioned below the port of the vacuum take-off adapter when the funnel, adapter and flask are assembled.