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.:
Date of Patent:
Jan. 29, 2019
Filed:
Oct. 22, 2014
Korea University Research and Business Foundation, Seoul, KR;
Sang-Won Lee, Seoul, KR;
Hangyeore Lee, Seoul, KR;
Abstract
A dual online liquid chromatography device according to an embodiment of the present invention comprises: a first pump for injecting a first solvent or a mixed solution containing the first solvent and a second solvent; a second pump for injecting the first solvent or the mixed solution containing the first and second solvents; a specimen intake valve connected to the first pump and a specimen injector for injecting a specimen; a column selection valve connected to the second pump and the specimen intake valve; and a dual column valve including a plurality of ports, one side of which is connected to the column selection valve and an opposite side of which is connected to a first column and a second column.