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. 20, 2000
Filed:
Jan. 15, 1999
Applicant:
Inventors:
Kannan Srinivasan, Sunnyvale, CA (US);
Victor Berber Barreto, Campbell, CA (US);
Christopher A Pohl, Union City, CA (US);
James R Thayer, Santa Clara, CA (US);
Neboisa Avdalovic, San Jose, CA (US);
Assignee:
Dionex Corporation, Sunnyvale, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210635 ; 210638 ; 210656 ; 210659 ; 2101982 ; 204520 ; 204542 ;
Abstract
A method and apparatus for increasing the current efficiency of suppressor and suppress-like pretreatment devices is disclosed for the purpose of suppressing a high concentration of eluent without the detrimental effects of excess heat generation. The method and apparatus may be used in ion chromatography.