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:
Mar. 08, 2011
Filed:
Nov. 06, 2008
Applicant:
Jürgen Landgraf, Gutenberg, DE;
Inventor:
Jürgen Landgraf, Gutenberg, DE;
Assignee:
Bruker Daltonik GmbH, Bremen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/00 (2006.01); B01D 59/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for operating an ion mobility spectrometer comprises supplying an analyte substance into a reaction chamber of an ion mobility spectrometer having a closed internal gas circuit and at least one membrane inlet having an inner membrane chamber, changing at least one of flow resistances and gas paths in the closed internal gas circuit, and controlling at least one of a quantity and a concentration of analyte-containing gas flowing from the inner membrane chamber to the reaction chamber.