US 12,134,050 B2
Extraction cell cap assembly with toolless disassembly
Weichiat Chen, Pleasanton, CA (US); and Kannan Srinivasan, Tracy, CA (US)
Assigned to Dionex Corporation, Sunnyvale, CA (US)
Filed by DIONEX CORPORATION, Sunnyvale, CA (US)
Filed on May 10, 2023, as Appl. No. 18/314,929.
Application 18/314,929 is a division of application No. 17/038,672, filed on Sep. 30, 2020, granted, now 11,684,877.
Prior Publication US 2023/0271117 A1, Aug. 31, 2023
Int. Cl. B01D 29/96 (2006.01); B01D 46/24 (2006.01)
CPC B01D 29/96 (2013.01) [B01D 46/2414 (2013.01); B01D 2201/0415 (2013.01); B01D 2201/291 (2013.01); B01D 2201/34 (2013.01); B01D 2271/027 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A method of using an extraction cell cap assembly comprising:
inserting a plunger of a locking cap into a bore of a cap body;
rotating the locking cap in a first direction relative to the cap body to releasably engage a locking portion of the locking cap with a support member of the cap body;
inserting a filter into a recess disposed in a lower surface of the plunger;
inserting a seal member into the bore of the cap body against the filter in the recess, whereby frictional engagement of the seal member to the bore of the cap body serves to hold the filter in the recess of the locking cap;
threadably engaging the cap body with a cell vessel to define a sample chamber within the cell vessel; and
heating a sample inside the sample chamber to an elevated temperature and pressure with solvent to accelerate extractions of analytes from the sample.