CA993752A - Smoking product filtration - Google Patents

Smoking product filtration

Info

Publication number
CA993752A
CA993752A CA186,086A CA186086A CA993752A CA 993752 A CA993752 A CA 993752A CA 186086 A CA186086 A CA 186086A CA 993752 A CA993752 A CA 993752A
Authority
CA
Canada
Prior art keywords
smoking product
product filtration
filtration
smoking
product
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
CA186,086A
Other languages
English (en)
Other versions
CA186086S (en
Inventor
James R. Hammersmith
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 CA993752A publication Critical patent/CA993752A/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
    • 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
CA186,086A 1973-05-16 1973-11-19 Smoking product filtration Expired CA993752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36083973A 1973-05-16 1973-05-16

Publications (1)

Publication Number Publication Date
CA993752A true CA993752A (en) 1976-07-27

Family

ID=23419605

Family Applications (1)

Application Number Title Priority Date Filing Date
CA186,086A Expired CA993752A (en) 1973-05-16 1973-11-19 Smoking product filtration

Country Status (11)

Country Link
AU (1) AU469846B2 (nl)
BE (1) BE808961A (nl)
BR (1) BR7401864A (nl)
CA (1) CA993752A (nl)
CH (1) CH604573A5 (nl)
DE (1) DE2365263A1 (nl)
DK (1) DK145253C (nl)
FI (1) FI56767C (nl)
GB (1) GB1397678A (nl)
NL (1) NL167745C (nl)
ZA (1) ZA739241B (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103225231A (zh) * 2012-06-28 2013-07-31 湖北中烟工业有限责任公司 一种带天然矿质和天然植物复合添加剂的卷烟纸

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4763674A (en) * 1986-04-16 1988-08-16 Hercules Incorporated Method and device for controlling hydrogen cyanide and nitric oxide concentrations in cigarette smoke
EP0250806A3 (en) * 1986-06-30 1988-06-01 Hercules Incorporated Method and device for removing nitric oxide from cigarette smoke
US5063196A (en) * 1989-06-23 1991-11-05 Calgon Carbon Corporation Chromium-free impregnated activated carbon for adsorption of toxic gases and/or vapors
GB9121782D0 (en) * 1991-10-14 1991-11-27 Cigarette Components Ltd Cigarette filter containing particulate smoke modifying additive
CN107474960A (zh) * 2017-08-29 2017-12-15 上海华宝生物科技有限公司 一种卷烟烟气敏感变色释香颗粒的生产方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103225231A (zh) * 2012-06-28 2013-07-31 湖北中烟工业有限责任公司 一种带天然矿质和天然植物复合添加剂的卷烟纸
CN103225231B (zh) * 2012-06-28 2015-04-01 湖北中烟工业有限责任公司 一种带天然矿质和天然植物复合添加剂的卷烟纸

Also Published As

Publication number Publication date
AU6311673A (en) 1975-07-10
BE808961A (fr) 1974-06-21
NL167745B (nl) 1981-08-17
NL7317538A (nl) 1974-11-19
DE2365263A1 (de) 1974-12-05
AU469846B2 (en) 1976-02-26
DK145253C (da) 1983-03-14
DK145253B (da) 1982-10-18
NL167745C (nl) 1982-01-18
ZA739241B (en) 1974-10-30
GB1397678A (en) 1975-06-18
BR7401864A (pt) 1975-11-11
CH604573A5 (nl) 1978-09-15
FI56767C (fi) 1980-04-10
FI56767B (fi) 1979-12-31
FI374073A (nl) 1974-11-17

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