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:
Dec. 11, 2007
Filed:
Aug. 23, 2004
Purnendu K. Dasgupta, Lubbock, TX (US);
S. M. Rahmat Ullah, Lubbock, TX (US);
Kannan Srinivasan, Tracy, CA (US);
Purnendu K. Dasgupta, Lubbock, TX (US);
S. M. Rahmat Ullah, Lubbock, TX (US);
Kannan Srinivasan, Tracy, CA (US);
Dionex Corporation, Sunnyvale, CA (US);
Abstract
In a liquid chromatographic system, removing at least part of a volatile component from the liquid sample stream after separation by flowing it through a volatile component-removal device including a porous wall having a surface coating of a permeable polymer less than 10 μm thick. A liquid chromatographic system suitable for performing the method. Also, a liquid chromatographic system in which volatile component is removed prior to separation across the same type of membrane or across a membrane made of a copolymer of perfluoro-2,2-dimethyl-1,3-dioxole.