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Priority claimed from GB851467Aexternal-prioritypatent/GB1126297A/en
Application filedfiledCritical
Publication of BE711113ApublicationCriticalpatent/BE711113A/xx
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D39/00—Filtering material for liquid or gaseous fluids
B01D39/14—Other self-supporting filtering material ; Other filtering material
B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
B01D39/2055—Carbonaceous material
B01D39/2058—Carbonaceous material the material being particulate
A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
A24D3/02—Manufacture of tobacco smoke filters
A24D3/0229—Filter rod forming processes
A24D3/0241—Filter rod forming processes by compacting particulated materials
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
B01D2239/0291—Types of fibres, filaments or particles, self-supporting or supported materials comprising swelling polymers
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
B01D2239/10—Filtering material manufacturing
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Life Sciences & Earth Sciences
(AREA)
Geology
(AREA)
Chemical & Material Sciences
(AREA)
Chemical Kinetics & Catalysis
(AREA)
Cigarettes, Filters, And Manufacturing Of Filters
(AREA)