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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 12460842 B1

PDFFull Text
Date of Patent:
Nov. 04, 2025

Filed:

Feb. 26, 2024

High-pressure fluid chromatography system using interior-to-exterior column pressure equalization

Applicant:

Supercritical Fluid Technologies, Inc., Newark, DE (US);

Inventors:

Kenneth Joseph James, Newark, DE (US);

Brian Jeffrey Waibel, Kennett Square, PA (US);

Kenneth Richard Krewson, Allentown, NJ (US);

Kim Ferrara, Middletown, DE (US);

Curtis Ebersold, Newark, DE (US);

Assignee:

Supercritical Fluid Technologies, Inc., Newark, DE (US);

Attorney:

Devlin Law Firm LLC

Primary Examiner:

Benjamin L Lebron

Int. Cl.
CPC ...
B01D 15/16 (2006.01); B01D 15/40 (2006.01); B04C 5/081 (2006.01); B04C 5/085 (2006.01); B04C 9/00 (2006.01); C07C 45/79 (2006.01); C07C 51/47 (2006.01); C07C 67/56 (2006.01); C07C 231/24 (2006.01); C09K 5/04 (2006.01); F25B 7/00 (2006.01); F25B 9/00 (2006.01); F25B 9/10 (2006.01); F25B 25/00 (2006.01); F25B 49/02 (2006.01); G01N 30/20 (2006.01); G01N 30/30 (2006.01); G01N 30/54 (2006.01);
U.S. Cl.
CPC ...
F25B 25/005 (2013.01); B01D 15/165 (2013.01); B01D 15/40 (2013.01); B04C 5/081 (2013.01); B04C 5/085 (2013.01); B04C 9/00 (2013.01); C07C 45/79 (2013.01); C07C 51/47 (2013.01); C07C 67/56 (2013.01); C07C 231/24 (2013.01); C09K 5/041 (2013.01); F25B 7/00 (2013.01); F25B 9/002 (2013.01); F25B 9/008 (2013.01); F25B 9/10 (2013.01); F25B 49/02 (2013.01); G01N 30/30 (2013.01); G01N 30/54 (2013.01); B04C 2009/004 (2013.01); C09K 2205/106 (2013.01); C09K 2205/13 (2013.01); C09K 2205/132 (2013.01); F25B 2600/2513 (2013.01); F25B 2700/21171 (2013.01); G01N 30/20 (2013.01); Y02P 20/54 (2015.11);
Abstract

Provided is a high-pressure fluid chromatography system using interior-to-exterior column pressure equalization, and components comprising such a system, including a pressure equalizing vessel which allows for the use of an inner chromatography column that is only able to withstand an interior-to-exterior pressure differential of up to 200 psi.

Find Patent Forward Citations

James, Kenneth. (2025). High-pressure fluid chromatography system using interior-to-exterior column pressure equalization (U.S. Patent No. 12460842). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12460842

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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