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 10948465 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 16, 2021

Filed:

Jun. 27, 2018
Applicant:

Restek Corporation, Bellefonte, PA (US);

Inventors:

Jaap De Zeeuw, Middelburg, NL;

William P. Bromps, Cameron Park, CA (US);

Tracey Peters, Bellefonte, PA (US);

Thomas E. Kane, Bellefonte, PA (US);

Assignee:

RESTEK CORPORATION, Bellefonte, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/02 (2006.01); G01N 30/60 (2006.01); G01N 30/56 (2006.01); B01J 20/28 (2006.01); G01N 30/02 (2006.01); G01N 30/52 (2006.01);
U.S. Cl.
CPC ...
G01N 30/6078 (2013.01); B01J 20/28052 (2013.01); G01N 30/56 (2013.01); G01N 30/606 (2013.01); G01N 30/6026 (2013.01); B01J 2220/54 (2013.01); B01J 2220/86 (2013.01); G01N 30/6073 (2013.01); G01N 2030/025 (2013.01); G01N 2030/525 (2013.01); G01N 2030/567 (2013.01); G01N 2030/6013 (2013.01);
Abstract

A crescent PLOT column is disclosed, including a capillary column having an inlet, an outlet, a bore, and an inner surface surrounding the bore and extending between the inlet and the outlet. A layer of particles is localized on a radial portion of the inner surface. The layer of the particles includes a radial thickness decreasing from a center of the radial portion to a periphery of the radial portion, forming a crescent shape in a radial frame of reference. A method for preparing the crescent PLOT column is disclosed, including loading the capillary column with a fluid including a carrier and particles such that the fluid is contained within the capillary column. The capillary column and the fluid contained within the capillary column are subjected to a centrifugal force. The carrier is removed, and a layer of the particles is localized on the radial portion of the inner surface.


Find Patent Forward Citations

De Zeeuw, Jaap. (2021). Crescent plot columns and methods for preparing crescent plot columns (U.S. Patent No. 10948465). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10948465

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

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