Filter element

An improved filter element which can be used in gas masks is formed of short lengths of porous monolithic carbon formed by partially curing a phenolic resin to a solid, comminuting the partially cured resin, extruding the comminuted resin, sintering the extruded resin so as to produce a form-stable...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BLACKBURN ANDREW J, TENNISON STEPHEN R, RAWLINSON ANTHONY P
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	An improved filter element which can be used in gas masks is formed of short lengths of porous monolithic carbon formed by partially curing a phenolic resin to a solid, comminuting the partially cured resin, extruding the comminuted resin, sintering the extruded resin so as to produce a form-stable sintered product and carbonising and activating the form-stable sintered product.