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:
Jul. 27, 1999
Filed:
Jul. 21, 1997
Applicant:
Inventors:
Wolfgang Falb, Krummesse, DE;
Karl-Ludwig Gippert, Lubeck, DE;
Uwe Bausch, Lubeck, DE;
Dirk Stefan Reichert, Lubeck, DE;
Stefan Linke, Lubeck, DE;
Udo Feldhoff, Malkendorf, DE;
Assignee:
Dragerwerk AG, Lubeck, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
95129 ; 95131 ; 95132 ; 95142 ; 95902 ;
Abstract
A device for removing at least laughing gas and anesthetic vapor from a gas sample based on a molecular sieve shall be improved such that it possesses good adsorption properties for both gas components. A molecular sieve arrangement is provided, which is flown through from a gas inlet to a gas outlet and comprises a first molecular sieve area with a first pore size between about 0.3 nm and 0.5 nm and a second molecular sieve area with a second pore size between about 0.8 nm and 1 nm.