US 12,263,422 B2
Filter insert and sample vial using the same
Michael Lopez Antonio, Wilmington, DE (US)
Assigned to Reaction Analytics, Inc., Wilmington, DE (US)
Filed by REACTION ANALYTICS, INC., Wilmington, DE (US)
Filed on Mar. 20, 2023, as Appl. No. 18/123,492.
Application 18/123,492 is a continuation of application No. 16/466,969, granted, now 11,623,167, previously published as PCT/US2017/065100, filed on Dec. 7, 2017.
Claims priority of provisional application 62/431,737, filed on Dec. 8, 2016.
Prior Publication US 2023/0226469 A1, Jul. 20, 2023
Int. Cl. B01D 29/05 (2006.01); B01L 3/00 (2006.01); G01N 1/40 (2006.01)
CPC B01D 29/055 (2013.01) [B01L 3/502 (2013.01); B01L 3/5082 (2013.01); G01N 1/4077 (2013.01); B01D 2201/4084 (2013.01); B01D 2201/4092 (2013.01); B01D 2201/602 (2013.01); B01D 2239/0421 (2013.01); B01D 2239/0428 (2013.01); B01L 2300/0681 (2013.01); G01N 2001/4088 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A sample filter kit, the kit comprising:
a cylindrical filter body comprising:
a proximal end,
a protrusion extending radially from the proximal end of the cylindrical filter body and configured to set on a proximal open end of a sample vial,
a distal end,
a cavity extending longitudinally through the cylindrical filter body from the proximal end to the distal end, and
a protrusion extending from an internal surface of the cylindrical filter body adjacent the distal end toward a center of the cylindrical filter body; and
a plurality of filter assemblies, each of the plurality of filter assembly assemblies comprising:
a cylindrical ring having an external surface with a recess extending from the external surface into the cylindrical ring, and
a filter insert disposed within the cylindrical ring adjacent the recess, wherein
engagement of the protrusion and a recess of one of the plurality of filter assemblies couples the cylindrical filter body with the one of the plurality of filter assemblies.