Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5694/27A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsche Gasgluehlicht AG Auergesellschaft
Original Assignee
Deutsche Gasgluehlicht AG Auergesellschaft
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Filing date
Publication date
Application filed by Deutsche Gasgluehlicht AG AuergesellschaftfiledCriticalDeutsche Gasgluehlicht AG Auergesellschaft
Publication of GB272855ApublicationCriticalpatent/GB272855A/en
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
B01D46/0086—Filter condition indicators
Landscapes
Chemical & Material Sciences
(AREA)
Chemical Kinetics & Catalysis
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
272,855. Deutsche Gasgluhlicht Auer- Ges. June 17, 1926, [Convention date]. Purifying processes.-To indicate when purifying material is spent, substances are added to the gas before or in the purifier which are easily discernible, for example by their smell; and behave with respect to the material in a similar manner to the impurities.
GB5694/27A1926-06-171927-03-01Improved method for indicating the exhaustion of substances used for cleaning gases
ExpiredGB272855A
(en)