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:
May. 15, 1979
Filed:
Jun. 06, 1977
Applicant:
Inventor:
Lothar W Brauer, Berlin, DE;
Assignee:
Auergesellschaft GmbH, Berlin, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C01B / ; C09K / ;
U.S. Cl.
CPC ...
422120 ; 1281 / ; 252186 ; 2521 / ; 252372 ; 422164 ; 422165 ;
Abstract
A chemical canister for use in a respirator has opposed openings, one for connection to a mouthpiece and the other for connection to the rest of the respirator. The canister contains a carbon dioxide removing and oxygen liberating chemical, and there also is a chemical which, upon being heated, will liberate nitrogen to mix with the oxygen liberated in the canister.