ES350994A1 - Un procedimiento para manufactura de un filtro para humo detabaco. - Google Patents

Un procedimiento para manufactura de un filtro para humo detabaco.

Info

Publication number
ES350994A1
ES350994A1 ES350994A ES350994A ES350994A1 ES 350994 A1 ES350994 A1 ES 350994A1 ES 350994 A ES350994 A ES 350994A ES 350994 A ES350994 A ES 350994A ES 350994 A1 ES350994 A1 ES 350994A1
Authority
ES
Spain
Prior art keywords
silica gel
charcoal
filter
cigarette
incorporated
Prior art date
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
ES350994A
Other languages
English (en)
Spanish (es)
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.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CS9273A external-priority patent/CS148313B1/cs
Application filed by Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Publication of ES350994A1 publication Critical patent/ES350994A1/es
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • 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
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Paper (AREA)
ES350994A 1967-03-01 1968-02-27 Un procedimiento para manufactura de un filtro para humo detabaco. Expired ES350994A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CS153367 1967-03-01
CS9273A CS148313B1 (fr) 1967-12-29 1967-12-29

Publications (1)

Publication Number Publication Date
ES350994A1 true ES350994A1 (es) 1969-12-01

Family

ID=25745458

Family Applications (1)

Application Number Title Priority Date Filing Date
ES350994A Expired ES350994A1 (es) 1967-03-01 1968-02-27 Un procedimiento para manufactura de un filtro para humo detabaco.

Country Status (8)

Country Link
AT (1) AT286853B (fr)
BE (1) BE711169A (fr)
CH (1) CH506958A (fr)
DE (1) DE1692903A1 (fr)
ES (1) ES350994A1 (fr)
FR (1) FR1577326A (fr)
GB (1) GB1188874A (fr)
NL (1) NL6802879A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201112539D0 (en) 2011-07-21 2011-08-31 British American Tobacco Co Porous carbon and methods of production thereof

Also Published As

Publication number Publication date
DE1692903A1 (de) 1971-10-21
BE711169A (fr) 1968-07-01
GB1188874A (en) 1970-04-22
NL6802879A (fr) 1968-09-02
AT286853B (de) 1970-12-28
CH506958A (de) 1971-05-15
FR1577326A (fr) 1969-08-08

Similar Documents

Publication Publication Date Title
ES484500A1 (es) Perfeccionamientos en los aparatos para la produccion de va-rillas de filtro del humo del tabaco
DE3062208D1 (en) Process for preparing porous cellulose spherical particles
DE3172527D1 (en) Process for preparing porous, spherical cellulose particles
GB1111007A (en) Improvements in cigarettes and paper therefor
ES321056A1 (es) Un metodo para preparar particulas con forma para material de filtro de cigarrillos.
GB1306895A (en) Tobacco smoke filters
GB1023918A (en) Tobacco smoke filter
JPS57117502A (en) Manufacture of carboxymethyl cellulose with substitution uniformity by use of borax
GB1085582A (en) Tobacco smoke filters and materials therefor
ES350994A1 (es) Un procedimiento para manufactura de un filtro para humo detabaco.
GB1354362A (en) Filter tow and tobacco smoke filters made there from
GB997149A (en) Improvements relating to cigarette filters
GB1514217A (en) Method of making tobacco smoke filter rod from fibrillated fibres
US3889691A (en) Tobacco smoke filter
IE35483B1 (en) Improvements in or relating to tobacco smoke filters
GB1400197A (en) Tobacco smoke filter additive
ES415546A1 (es) Perfeccionamientos en filtros de cigarrillos.
US3407820A (en) Tobacco smoke filters
GB1300095A (en) Improvements in smoking articles
GB932570A (en) Improvements relating to tobacco smoke filters
US3557802A (en) Tobacco smoke filter element
GB974414A (en) Improvements in and relating to fibrous absorption filters for tobacco products
GB1256048A (en) Filter for cigarettes
JPS5649702A (en) Manufacture of high concentration cellulose derivative solution
GB1163349A (en) Improvements relating to Tobacco-Smoke Filters