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:
Aug. 17, 2004
Filed:
Oct. 29, 2001
Applicant:
Inventor:
Teresa Lechner-Fish, Katy, TX (US);
Assignee:
Daniel Industries, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/026 ; G01N 3/030 ; G01N 3/032 ;
U.S. Cl.
CPC ...
G01N 3/026 ; G01N 3/030 ; G01N 3/032 ;
Abstract
The invention is a gas chromatograph that includes a mechanism to heat the carrier gas to a temperature higher than that of the columns through which it flows. The carrier gas may be temperature programmed to achieve much the same results as the known technique of temperature programming the column.