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:
Sep. 19, 2006
Filed:
Feb. 04, 2003
Applicants:
Giacinto Zilioli, Cernusco sul Naviglio, IT;
Jan Beens, TA Castricum, NL;
Inventors:
Giacinto Zilioli, Cernusco sul Naviglio, IT;
Jan Beens, TA Castricum, NL;
Assignee:
Thermo Electron S.p.A., Rodano, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 30/02 (2006.01); B01D 53/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for detecting substances or mixtures of substances within a sample in an apparatus for comprehensive two-dimensional gas-chromatographic analysis according to the present invention, comprising the steps of: The method moreover envisages the step of generating the first frequency fof modulation and the second frequency fof sampling in such a way that sampling by discrete points downstream of the second column will be in phase with the modulation of the effluents from the first column.