BE544701A - - Google Patents

Info

Publication number
BE544701A
BE544701A BE544701DA BE544701A BE 544701 A BE544701 A BE 544701A BE 544701D A BE544701D A BE 544701DA BE 544701 A BE544701 A BE 544701A
Authority
BE
Belgium
Application number
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.)
Publication of BE544701A publication Critical patent/BE544701A/xx
Priority claimed from US502085A external-priority patent/US2820461A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • 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
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Filtering Materials (AREA)
BE544701D 1955-02-11 BE544701A (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH803472X 1955-02-11
US502085A US2820461A (en) 1955-02-11 1955-04-18 Tobacco filter, particularly for cigarettes
US698251A US2931364A (en) 1955-02-11 1957-11-22 Rod-shaped filter element

Publications (1)

Publication Number Publication Date
BE544701A true BE544701A (enrdf_load_stackoverflow)

Family

ID=32397341

Family Applications (1)

Application Number Title Priority Date Filing Date
BE544701D BE544701A (enrdf_load_stackoverflow) 1955-02-11

Country Status (6)

Country Link
US (1) US2931364A (enrdf_load_stackoverflow)
BE (1) BE544701A (enrdf_load_stackoverflow)
CH (1) CH330812A (enrdf_load_stackoverflow)
FR (1) FR1180617A (enrdf_load_stackoverflow)
GB (1) GB803472A (enrdf_load_stackoverflow)
NL (2) NL202429A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1190379B (de) * 1959-03-02 1965-04-01 Schickedanz Ver Papierwerk Tabakrauchfilter aus einem versteiften Faservlies
GB969329A (en) * 1960-01-12 1964-09-09 Cigarette Components Ltd Improvements in and relating to the production of filter bodies
DE1532229B1 (de) * 1964-06-22 1972-02-03 Tobacco Res And Dev I Ltd Filterelement fuer Tabakrauch
US3336174A (en) * 1965-04-06 1967-08-15 Eastman Kodak Co Method of making a fibrous filter product
US4889143A (en) * 1986-05-14 1989-12-26 R. J. Reynolds Tobacco Company Cigarette rods and filters containing strands provided from sheet-like materials
US5896860A (en) * 1997-12-03 1999-04-27 Lockett; Wilson Ira Smoking filter
WO2025088014A1 (en) * 2023-10-26 2025-05-01 Philip Morris Products S.A. A method for forming a filter element by twisting
WO2025088016A1 (en) * 2023-10-26 2025-05-01 Philip Morris Products S.A. Filter element for an aerosol-generating article comprising two porous materials

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US269256A (en) * 1882-12-19 Cigarette
DE177423C (enrdf_load_stackoverflow) *
US2064239A (en) * 1928-11-20 1936-12-15 Aivaz Boris Smoke filter plug or wad for cigarette paper tubes
BE405378A (enrdf_load_stackoverflow) * 1931-03-06
US2033867A (en) * 1935-08-27 1936-03-10 Hyman R Segal Filter for pipes and cigar or cigarette holders
US2202839A (en) * 1936-05-04 1940-06-04 Davidson Glenn Cigarette mouthpiece
US2195201A (en) * 1938-08-13 1940-03-26 Harris M Humason Smoker's article
GB639919A (en) * 1948-03-25 1950-07-05 Hugo Bunzl Improvements in and relating to smoke filter wads
BE499333A (enrdf_load_stackoverflow) * 1950-03-29
CH288717A (de) * 1951-05-01 1953-02-15 Mueller Paul A Rauchfilter für Tabakwaren und Verfahren zu seiner Herstellung.
BE536840A (enrdf_load_stackoverflow) * 1954-05-11
US2820461A (en) * 1955-02-11 1958-01-21 Muller Paul Adolf Tobacco filter, particularly for cigarettes

Also Published As

Publication number Publication date
NL95124C (enrdf_load_stackoverflow)
NL202429A (enrdf_load_stackoverflow)
FR1180617A (fr) 1959-06-08
GB803472A (en) 1958-10-29
CH330812A (de) 1958-06-30
US2931364A (en) 1960-04-05

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