GB1424214A - Method for manufacturing filter for removing cadmium and cadmium compounds from gas and particularly intended for cigarettes - Google Patents

Method for manufacturing filter for removing cadmium and cadmium compounds from gas and particularly intended for cigarettes

Info

Publication number
GB1424214A
GB1424214A GB1304673A GB1304673A GB1424214A GB 1424214 A GB1424214 A GB 1424214A GB 1304673 A GB1304673 A GB 1304673A GB 1304673 A GB1304673 A GB 1304673A GB 1424214 A GB1424214 A GB 1424214A
Authority
GB
United Kingdom
Prior art keywords
cadmium
mass
gas
calcium
permeable mass
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
GB1304673A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of GB1424214A publication Critical patent/GB1424214A/en
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
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/64—Heavy metals or compounds thereof, e.g. mercury

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Treating Waste Gases (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Gas Separation By Absorption (AREA)
  • Filtering Materials (AREA)
GB1304673A 1972-03-20 1973-03-19 Method for manufacturing filter for removing cadmium and cadmium compounds from gas and particularly intended for cigarettes Expired GB1424214A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7203554A SE381820B (sv) 1972-03-20 1972-03-20 Forfarande vid tillverkning av ett filter for avlegsnande av kadmium och kadmiumforeningar ur gaser

Publications (1)

Publication Number Publication Date
GB1424214A true GB1424214A (en) 1976-02-11

Family

ID=20262362

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1304673A Expired GB1424214A (en) 1972-03-20 1973-03-19 Method for manufacturing filter for removing cadmium and cadmium compounds from gas and particularly intended for cigarettes

Country Status (18)

Country Link
JP (1) JPS496551A (en(2012))
AR (1) AR197493A1 (en(2012))
AU (1) AU5352373A (en(2012))
BE (1) BE797027A (en(2012))
BR (1) BR7301981D0 (en(2012))
CH (1) CH577799A5 (en(2012))
DE (1) DE2313468A1 (en(2012))
DK (1) DK141713B (en(2012))
ES (1) ES412805A1 (en(2012))
FI (1) FI54557C (en(2012))
FR (1) FR2177831B1 (en(2012))
GB (1) GB1424214A (en(2012))
IL (1) IL41810A (en(2012))
IT (1) IT981477B (en(2012))
NL (1) NL7303802A (en(2012))
NO (1) NO139628C (en(2012))
SE (1) SE381820B (en(2012))
ZA (1) ZA731813B (en(2012))

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513439A (ja) * 1974-06-28 1976-01-12 Mitsubishi Electric Corp Kakugatakanhiitopaipu
JPS5773004A (en) * 1980-10-22 1982-05-07 Sumitomo Chem Co Ltd Preparation of saponified ethylene-vinyl acetate copolymer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800908A (en) * 1955-09-29 1957-07-30 Blank Samuel Treatment of tobacco smoke
US2940456A (en) * 1956-02-08 1960-06-14 Eastman Kodak Co Fibrous tobacco smoke filter containing finely divided solids

Also Published As

Publication number Publication date
JPS496551A (en(2012)) 1974-01-21
BR7301981D0 (pt) 1974-07-25
AR197493A1 (es) 1974-04-15
NO139628C (no) 1979-04-18
AU5352373A (en) 1974-09-26
FR2177831B1 (en(2012)) 1977-04-29
NO139628B (no) 1979-01-08
NL7303802A (en(2012)) 1973-09-24
ZA731813B (en) 1973-12-19
IL41810A0 (en) 1973-05-31
FR2177831A1 (en(2012)) 1973-11-09
BE797027A (fr) 1973-07-16
CH577799A5 (en(2012)) 1976-07-30
SE381820B (sv) 1975-12-22
FI54557C (fi) 1979-01-10
DK141713C (en(2012)) 1980-10-27
IL41810A (en) 1976-07-30
DE2313468A1 (de) 1973-10-04
ES412805A1 (es) 1976-06-01
FI54557B (fi) 1978-09-29
IT981477B (it) 1974-10-10
DK141713B (da) 1980-06-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee