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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 11731106 B1

PDFFull Text
Date of Patent:
Aug. 22, 2023

Filed:

Oct. 02, 2019

Column packing material for supercritical fluid chromatography, column for supercritical fluid chromatography and preparation method therefor

Applicant:

Shimadzu Corporation, Kyoto, JP;

Inventors:

Risa Ishii, Hitachi, JP;

Michio Butsugan, Hitachi, JP;

Keita Sakurai, Hitachi, JP;

Yuka Fujito, Kyoto, JP;

Assignee:

SHIMADZU CORPORATION, Kyoto, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Ryan B Huang

Int. Cl.
CPC ...
B01J 20/26 (2006.01); B01D 15/20 (2006.01); B01D 15/40 (2006.01); G01N 30/56 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); C08F 20/14 (2006.01); B01J 20/281 (2006.01); G01N 30/02 (2006.01);
U.S. Cl.
CPC ...
B01J 20/267 (2013.01); B01D 15/206 (2013.01); B01D 15/40 (2013.01); B01J 20/281 (2013.01); B01J 20/28004 (2013.01); B01J 20/3085 (2013.01); C08F 20/14 (2013.01); G01N 30/56 (2013.01); C08F 2810/20 (2013.01); G01N 2030/027 (2013.01); G01N 2030/565 (2013.01);
Abstract

A column packing material for supercritical fluid chromatography which allows good peak shape to be obtained in the analysis of free fatty acids, etc. and in the analysis of agricultural chemicals, etc., and has excellent durability for repeated analysis. The column packing material for supercritical fluid chromatography includes polymer particles containing cross-linked polymer, the degree of swelling of which after absorbing tetrahydrofuran and the degree of swelling of which after absorbing methanol are both 1.4 or less.

Find Patent Forward Citations

Ishii, Risa. (2023). Column packing material for supercritical fluid chromatography, column for supercritical fluid chromatography and preparation method therefor (U.S. Patent No. 11731106). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11731106

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

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