CA999500A - Programmed filter - Google Patents

Programmed filter

Info

Publication number
CA999500A
CA999500A CA191,144A CA191144A CA999500A CA 999500 A CA999500 A CA 999500A CA 191144 A CA191144 A CA 191144A CA 999500 A CA999500 A CA 999500A
Authority
CA
Canada
Prior art keywords
programmed filter
programmed
filter
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
CA191,144A
Other versions
CA191144S (en
Inventor
James R. Hammersmith
Philip H. Cogbill (Ii)
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.)
British American Tobacco Investments Ltd
Original Assignee
British American Tobacco Co Ltd
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 British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd
Application granted granted Critical
Publication of CA999500A publication Critical patent/CA999500A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04Tobacco smoke filters characterised by their shape or structure
CA191,144A 1973-02-27 1974-01-29 Programmed filter Expired CA999500A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33627773A 1973-02-27 1973-02-27

Publications (1)

Publication Number Publication Date
CA999500A true CA999500A (en) 1976-11-09

Family

ID=23315369

Family Applications (1)

Application Number Title Priority Date Filing Date
CA191,144A Expired CA999500A (en) 1973-02-27 1974-01-29 Programmed filter

Country Status (16)

Country Link
JP (1) JPS5247040B2 (en)
AR (1) AR201844A1 (en)
AU (1) AU472863B2 (en)
BE (1) BE808887A (en)
BR (1) BR7401389D0 (en)
CA (1) CA999500A (en)
CH (1) CH587028A5 (en)
DK (1) DK141984B (en)
FI (1) FI56310C (en)
FR (1) FR2219614A5 (en)
GB (1) GB1428018A (en)
HK (1) HK64176A (en)
IT (1) IT1001746B (en)
NL (1) NL7315622A (en)
SE (1) SE400021B (en)
ZA (1) ZA738533B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1527705A (en) * 1976-03-01 1978-10-11 Liggett & Myers Inc Cigarette filter
JPS52113882A (en) * 1976-03-19 1977-09-24 Lion Dentifrice Co Ltd Tube for containing semiiliquid material such as toothpaste
JPS5399400A (en) * 1977-02-10 1978-08-30 Mitsubishi Acetate Co Ltd Fibrous cigarette filter
US4256122A (en) * 1979-04-11 1981-03-17 Brown & Williamson Tobacco Corporation Cigarette filter
JPS585663B2 (en) * 1980-05-02 1983-02-01 日本たばこ産業株式会社 Cigarette filter
TR21005A (en) * 1980-11-21 1983-05-01 Brown & Williamson Tobacco A SMOKING FILTER THAT NEEDS A SMOKE NON-DELIVERABLE WRAP A REMOVER OF MESAMATH FILTER BAR.
US4343319A (en) * 1980-11-28 1982-08-10 Brown & Williamson Tobacco Corporation Cigarette filter
US4338956A (en) * 1980-12-05 1982-07-13 Brown & Williamson Tobacco Corporation Cigarette filter
US4984588A (en) * 1981-09-14 1991-01-15 Philip Morris Incorporated Low delivery cigarette
KR840001262A (en) * 1981-09-21 1984-04-30 라리 씨이. 아모스 Cigarette filter
US4406295A (en) * 1982-02-16 1983-09-27 Brown & Williamson Tobacco Corporation Cigarette filter
US4438776A (en) * 1982-06-24 1984-03-27 Brown & Williamson Tobacco Corporation Cigarette filter
GB2136669A (en) * 1983-03-17 1984-09-26 Filtrona Ltd Cigarette filter
GB8429104D0 (en) * 1984-11-17 1984-12-27 British American Tobacco Co Tobacco smoke filters
US5435326A (en) * 1993-07-27 1995-07-25 R. J. Reynolds Tobacco Company Controlled delivery smoking article and method
US7987856B2 (en) * 2005-12-29 2011-08-02 Philip Morris Usa Inc. Smoking article with bypass channel
US8240315B2 (en) 2005-12-29 2012-08-14 Philip Morris Usa Inc. Smoking article with improved delivery profile
KR20090008277A (en) 2006-03-28 2009-01-21 필립모리스 프로덕츠 에스.에이. Smoking article with a restrictor
US8353298B2 (en) 2006-07-12 2013-01-15 Philip Morris Usa Inc. Smoking article with impaction filter segment
US8424539B2 (en) 2006-08-08 2013-04-23 Philip Morris Usa Inc. Smoking article with single piece restrictor and chamber
US8235056B2 (en) 2006-12-29 2012-08-07 Philip Morris Usa Inc. Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system
TW200911141A (en) 2007-03-09 2009-03-16 Philip Morris Prod Super recessed filter cigarette restrictor
TW200911138A (en) 2007-03-09 2009-03-16 Philip Morris Prod Smoking articles with restrictor and aerosol former
GB0813567D0 (en) * 2008-07-24 2008-09-03 British American Tobacco Co Filter for a smoking article
US8424540B2 (en) 2009-10-09 2013-04-23 Philip Morris Usa Inc. Smoking article with valved restrictor
TW201204272A (en) 2010-03-26 2012-02-01 Philip Morris Prod Smoking articles with significantly reduced gas vapor phase smoking constituents

Also Published As

Publication number Publication date
ZA738533B (en) 1974-09-25
BE808887A (en) 1974-06-20
AU472863B2 (en) 1976-06-10
JPS5247040B2 (en) 1977-11-29
DK141984C (en) 1980-12-22
DE2361970A1 (en) 1974-09-05
IT1001746B (en) 1976-04-30
GB1428018A (en) 1976-03-17
NL7315622A (en) 1974-08-29
HK64176A (en) 1976-10-22
AU6223573A (en) 1975-06-19
SE400021B (en) 1978-03-13
BR7401389D0 (en) 1974-11-05
DK141984B (en) 1980-08-04
AR201844A1 (en) 1975-04-24
FI56310C (en) 1980-01-10
FI56310B (en) 1979-09-28
FR2219614A5 (en) 1974-09-20
CH587028A5 (en) 1977-04-29
DE2361970B2 (en) 1976-05-26
JPS5046898A (en) 1975-04-25

Similar Documents

Publication Publication Date Title
CA999500A (en) Programmed filter
CA1011211A (en) Hollow filter
AU6630874A (en) Filter
CA1001096A (en) Inlet insert
CA1031274A (en) Multiple filter apparatus
CA1012232A (en) Acousto-optic filter
CA1011823A (en) Digital filter
CA1029460A (en) Acousto-optic filter
CA1028253A (en) Filtration
AU473816B2 (en) Pleated filter member
CA1000589A (en) Filter changing valve unit
CA1016872A (en) Filters
CA1030081A (en) Bag filters
CA1016473A (en) Disk filters
AU474058B2 (en) Filter
CA1005724A (en) Filters
CA993375A (en) Filter media
CA1003765A (en) Fabric filter
CA995592A (en) Filter
CA1028252A (en) Water filter
CA1007178A (en) Filters
AU482266B2 (en) Filter
AU483149B2 (en) Four-media filter
AU481537B2 (en) Improved filters
AU7575674A (en) Four-media filter