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:
Nov. 09, 1999
Filed:
Feb. 23, 1998
Applicant:
Inventors:
Andreas Walte, Schwerin, DE;
Wolf Munchmeyer, Schwerin, DE;
Gerhard Matz, Buchholz, DE;
Alexander Harder, Hamburg, DE;
Oliver Rather, Bremen, DE;
Assignee:
WMA Airsense Analysentechnik GmbH, Schwerin, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 2325 ; 73 2335 ; 95 87 ;
Abstract
A method and apparatus for separating selected materials in a gas chromatograph. The gas mixture is introduced into a separation column of the gas chromatograph and the separation column is heated inside a chamber of the gas chromatograph to a preset temperature. The preset temperature is matched to the material to be separated and that heating is accomplished by using IR radiation.