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:
Jul. 30, 2013
Filed:
Feb. 08, 2007
Koji Sugiyama, Kyoto, JP;
Akira Sezaki, Kyoto, JP;
Takanori Kamada, Kyoto, JP;
Yoshikiyo Hongo, Shiga, JP;
Koji Sugiyama, Kyoto, JP;
Akira Sezaki, Kyoto, JP;
Takanori Kamada, Kyoto, JP;
Yoshikiyo Hongo, Shiga, JP;
Arkray, Inc., Kyoto, JP;
Abstract
The present invention relates to a deaeratorincluding: a liquid flow space; reduced-pressure spacesA,B, andC; gas permeable filmsA,B, andC that separate these spaces; and a pump for discharging gas from within the reduced-pressure spacesA,B, andC to the outside, and to a liquid chromatograph equipped with the deaerator. The deaeratorfurther includes gas partial pressure variation suppression meansA,B,C,Ab,Bb,Cb,A,B, andC for suppressing variations in partial pressures of a specific gas in the reduced-pressure spacesA,B, andC.