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:
Jun. 15, 1976
Filed:
Nov. 05, 1971
Applicant:
Inventor:
Kyoichi Ozawa, Mito, JA;
Assignee:
Hitachi, Ltd., , JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
2101 / ;
Abstract
A sample is sucked from a probe into a column filled with a porous material and successively thereafter an auxiliary liquid is sucked from the probe and passed through the column, whereby unnecessary components in the sample are moved through the column and the component which it is desired to analyze remains within the column. Then, a discharging liquid is passed through the column and the probe, whereby the desired component in the column is discharged through the probe.