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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12582926 B1

PDFFull Text
Date of Patent:
Mar. 24, 2026

Filed:

Nov. 16, 2022

Method of operating a liquid chromatography arrangement, a liquid chromatography arrangement, and a chromatography system

Applicant:

Waters Technologies Corporation, Milford, MA (US);

Inventors:

Szabolcs Fekete, Ville la Grand, FR;

Michael O. Fogwill, Uxbridge, MA (US);

Matthew A. Lauber, North Smithfiled, RI (US);

Assignee:

Waters Technologies Corporation, Milford, MA (US);

Attorney:

Schmeiser, Olsen & Watts LLP

Primary Examiner:

Jennifer Wecker

Assistant Examiner:

Oyeleye Alexander Alabi

Int. Cl.
CPC ...
B01L 3/00 (2006.01); B01D 15/08 (2006.01); B01D 15/16 (2006.01); B01D 15/22 (2006.01); B01D 15/42 (2006.01); B01F 33/302 (2022.01); B01F 33/3033 (2022.01); B01L 7/00 (2006.01); B01L 9/00 (2006.01); B65G 47/80 (2006.01); B82Y 20/00 (2011.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); C12M 1/34 (2006.01); C12M 3/06 (2006.01); C12N 1/14 (2006.01); C12N 1/20 (2006.01); C12Q 1/02 (2006.01); C12Q 1/6806 (2018.01); C12Q 1/6844 (2018.01); C12Q 1/6848 (2018.01); C12Q 1/686 (2018.01); G01N 15/10 (2024.01); G01N 15/14 (2024.01); G01N 15/1433 (2024.01); G01N 21/29 (2006.01); G01N 21/65 (2006.01); G01N 30/02 (2006.01); G01N 30/32 (2006.01); G01N 30/72 (2006.01); G01N 33/543 (2006.01); G01N 33/557 (2006.01); G01N 33/574 (2006.01); G01N 33/58 (2006.01); G01N 30/88 (2006.01);
U.S. Cl.
CPC ...
B01D 15/422 (2013.01); B01D 15/163 (2013.01); B01D 15/22 (2013.01); G01N 30/32 (2013.01); G01N 30/72 (2013.01); G01N 2030/326 (2013.01); G01N 2030/8831 (2013.01);
Abstract

There is provided a method of operating a liquid chromatography arrangement, the liquid chromatography arrangement comprising: a solvent pump arranged to flow a liquid solvent over a liquid chromatography column; a restrictor arranged to restrict the liquid solvent from leaving the liquid chromatography column; and a liquid pump arranged to provide liquid flow between the liquid chromatography column and the restrictor, the method comprising: flowing the liquid solvent through the liquid chromatography column using the solvent pump; and controlling a liquid pressure within the liquid chromatography column by providing a liquid flow between the liquid chromatography column and the restrictor using the liquid pump.

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