FR2177831B1 - - Google Patents

Info

Publication number
FR2177831B1
FR2177831B1 FR7309961A FR7309961A FR2177831B1 FR 2177831 B1 FR2177831 B1 FR 2177831B1 FR 7309961 A FR7309961 A FR 7309961A FR 7309961 A FR7309961 A FR 7309961A FR 2177831 B1 FR2177831 B1 FR 2177831B1
Authority
FR
France
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
FR7309961A
Other languages
French (fr)
Other versions
FR2177831A1 (de
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 FR2177831A1 publication Critical patent/FR2177831A1/fr
Application granted granted Critical
Publication of FR2177831B1 publication Critical patent/FR2177831B1/fr
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)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Treating Waste Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Filtering Materials (AREA)
  • Gas Separation By Absorption (AREA)
FR7309961A 1972-03-20 1973-03-20 Expired FR2177831B1 (de)

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 (2)

Publication Number Publication Date
FR2177831A1 FR2177831A1 (de) 1973-11-09
FR2177831B1 true FR2177831B1 (de) 1977-04-29

Family

ID=20262362

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7309961A Expired FR2177831B1 (de) 1972-03-20 1973-03-20

Country Status (18)

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

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
DE2313468A1 (de) 1973-10-04
AR197493A1 (es) 1974-04-15
JPS496551A (de) 1974-01-21
BR7301981D0 (pt) 1974-07-25
IT981477B (it) 1974-10-10
NL7303802A (de) 1973-09-24
CH577799A5 (de) 1976-07-30
GB1424214A (en) 1976-02-11
BE797027A (fr) 1973-07-16
DK141713B (da) 1980-06-02
DK141713C (de) 1980-10-27
NO139628C (no) 1979-04-18
FR2177831A1 (de) 1973-11-09
IL41810A0 (en) 1973-05-31
ZA731813B (en) 1973-12-19
SE381820B (sv) 1975-12-22
IL41810A (en) 1976-07-30
ES412805A1 (es) 1976-06-01
FI54557C (fi) 1979-01-10
NO139628B (no) 1979-01-08
AU5352373A (en) 1974-09-26
FI54557B (fi) 1978-09-29

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Legal Events

Date Code Title Description
ST Notification of lapse