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.:

US 8506688 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 13, 2013

Filed:

Jan. 18, 2008
Applicants:

Jaap DE Zeeuw, Middleburg, NL;

Jack Cochran, State College, PA (US);

Scott L. Grossman, Bellefonte, PA (US);

Inventors:

Jaap De Zeeuw, Middleburg, NL;

Jack Cochran, State College, PA (US);

Scott L. Grossman, Bellefonte, PA (US);

Assignee:

Restek Corporation, Bellefonte, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/02 (2006.01); G01N 30/02 (2006.01); G01N 30/60 (2006.01);
U.S. Cl.
CPC ...
Abstract

A gas chromatographic device comprises an inlet system and a chromatography column. The inlet system includes a liner having pressure reducing means contained therein for reducing pressure between an inlet of the pressure reducing means and an outlet of the pressure reducing means. When the devise is in use, the chromatography column is positioned in the liner of the inlet system downstream from the pressure reducing means, and the chromatography column is under vacuum at its outlet.


Find Patent Forward Citations

De Zeeuw, Jaap. (2013). Gas chromatographic device (U.S. Patent No. 8506688). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8506688

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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