DE1767073C3 - Filter für Tabakrauch - Google Patents

Filter für Tabakrauch

Info

Publication number
DE1767073C3
DE1767073C3 DE1767073A DE1767073A DE1767073C3 DE 1767073 C3 DE1767073 C3 DE 1767073C3 DE 1767073 A DE1767073 A DE 1767073A DE 1767073 A DE1767073 A DE 1767073A DE 1767073 C3 DE1767073 C3 DE 1767073C3
Authority
DE
Germany
Prior art keywords
zinc acetate
filter
weight
polyethyleneimine
smoke
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
DE1767073A
Other languages
German (de)
English (en)
Other versions
DE1767073A1 (de
DE1767073B2 (de
Inventor
Henry George Totton Horsewell
Thomas William Charles Southampton Hampshire Tolman
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 IFI
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
Publication of DE1767073A1 publication Critical patent/DE1767073A1/de
Publication of DE1767073B2 publication Critical patent/DE1767073B2/de
Application granted granted Critical
Publication of DE1767073C3 publication Critical patent/DE1767073C3/de
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Paper (AREA)
  • Filtering Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
DE1767073A 1967-03-29 1968-03-28 Filter für Tabakrauch Expired DE1767073C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14247/67A GB1150192A (en) 1967-03-29 1967-03-29 Improvements relating to Cigarette Filters.

Publications (3)

Publication Number Publication Date
DE1767073A1 DE1767073A1 (de) 1972-03-09
DE1767073B2 DE1767073B2 (de) 1973-02-15
DE1767073C3 true DE1767073C3 (de) 1973-09-27

Family

ID=10037703

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1767073A Expired DE1767073C3 (de) 1967-03-29 1968-03-28 Filter für Tabakrauch

Country Status (11)

Country Link
US (1) US3550600A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE712942A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR6897893D0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH480030A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1767073C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK122056B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI46456C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1557464A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1150192A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL134995C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE340778B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3658070A (en) * 1970-10-01 1972-04-25 Nicholas R Diluzio Tobacco smoke filters
US3802441A (en) * 1972-01-26 1974-04-09 Brown & Williamson Tobacco Tobacco smoke filter additive
US4091822A (en) * 1975-04-25 1978-05-30 Loews Theatres, Inc. Article for the selective removal of hydrogen cyanide from tobacco smoke
US4266561A (en) * 1978-04-10 1981-05-12 Brown & Williamson Tobacco Corporation Tobacco smoke filtering compositions
ZA792187B (en) * 1978-05-16 1980-05-28 British American Tobacco Co Tobacco smoke filters
EP0532159A1 (en) * 1991-07-18 1993-03-17 Hoechst Celanese Corporation Removal of nicotine from tobacco smoke
CN100512689C (zh) * 2006-09-28 2009-07-15 江南大学 一种用于降低卷烟烟气中焦油及自由基的添加剂及其添加方法
US9226524B2 (en) 2010-03-26 2016-01-05 Philip Morris Usa Inc. Biopolymer foams as filters for smoking articles
EP3500115B1 (en) * 2016-08-17 2020-09-30 Philip Morris Products S.a.s. Aerosol-generating article having improved wrapper

Also Published As

Publication number Publication date
FR1557464A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-02-14
NL134995C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-07-17
NL6804308A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-09-30
GB1150192A (en) 1969-04-30
FI46456B (fi) 1973-01-02
BR6897893D0 (pt) 1973-05-31
DK122056B (da) 1972-01-17
FI46456C (fi) 1973-04-10
SE340778B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-11-29
DE1767073A1 (de) 1972-03-09
BE712942A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-07-31
DE1767073B2 (de) 1973-02-15
US3550600A (en) 1970-12-29
CH480030A (fr) 1969-12-15

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EF Willingness to grant licences