GB1138816A - Improvements in tobacco smoke filters - Google Patents

Improvements in tobacco smoke filters

Info

Publication number
GB1138816A
GB1138816A GB2782766A GB2782766A GB1138816A GB 1138816 A GB1138816 A GB 1138816A GB 2782766 A GB2782766 A GB 2782766A GB 2782766 A GB2782766 A GB 2782766A GB 1138816 A GB1138816 A GB 1138816A
Authority
GB
United Kingdom
Prior art keywords
tobacco smoke
smoke filters
june
tobacco
filters
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
GB2782766A
Inventor
David Thomas Westcott
Geoffrey Roger Woodman
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.)
Imperial Tobacco Company of Great Britain and Ireland Ltd
Original Assignee
Imperial Tobacco Company of Great Britain and Ireland 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 Imperial Tobacco Company of Great Britain and Ireland Ltd filed Critical Imperial Tobacco Company of Great Britain and Ireland Ltd
Priority to GB2782766A priority Critical patent/GB1138816A/en
Priority to DE19671692923 priority patent/DE1692923A1/en
Priority to CH859667A priority patent/CH495714A/en
Priority to BE700125D priority patent/BE700125A/xx
Priority to FR111055A priority patent/FR1528262A/en
Priority to NL6708616A priority patent/NL6708616A/xx
Priority to BR19059567A priority patent/BR6790595D0/en
Publication of GB1138816A publication Critical patent/GB1138816A/en
Priority to MY6900405A priority patent/MY6900405A/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
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

1,138,816. Tobacco smoke filters. IMPERIAL TOBACCO CO. (OF GREAT BRITAIN & IRELAND) Ltd. 12 June, 1967 [22 June, 1966], No. 27827/66. Heading A2C. A tobacco smoke filter plug comprises a polymeric material produced from a condensation of a dipolymethylene triamine with a compound containing reactive groups each of the general formula -COX wherein X is OH, Cl or Br, and -CO is a ketonic group.
GB2782766A 1966-06-22 1966-06-22 Improvements in tobacco smoke filters Expired GB1138816A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB2782766A GB1138816A (en) 1966-06-22 1966-06-22 Improvements in tobacco smoke filters
DE19671692923 DE1692923A1 (en) 1966-06-22 1967-06-15 Filter closure for tobacco products, especially cigarettes
CH859667A CH495714A (en) 1966-06-22 1967-06-16 Di-polymethylene triamine-treated tobacco smoke filter
BE700125D BE700125A (en) 1966-06-22 1967-06-19
FR111055A FR1528262A (en) 1966-06-22 1967-06-20 Filters for cigarettes
NL6708616A NL6708616A (en) 1966-06-22 1967-06-21
BR19059567A BR6790595D0 (en) 1966-06-22 1967-06-21 IMPROVEMENTS ON FILTER BUCKETS FOR CIGARETTES
MY6900405A MY6900405A (en) 1966-06-22 1969-12-31 Improvements in tobacco smoke filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2782766A GB1138816A (en) 1966-06-22 1966-06-22 Improvements in tobacco smoke filters

Publications (1)

Publication Number Publication Date
GB1138816A true GB1138816A (en) 1969-01-01

Family

ID=10265949

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2782766A Expired GB1138816A (en) 1966-06-22 1966-06-22 Improvements in tobacco smoke filters

Country Status (7)

Country Link
BE (1) BE700125A (en)
BR (1) BR6790595D0 (en)
CH (1) CH495714A (en)
DE (1) DE1692923A1 (en)
GB (1) GB1138816A (en)
MY (1) MY6900405A (en)
NL (1) NL6708616A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE28858E (en) * 1970-09-25 1976-06-15 Brown & Williamson Tobacco Corporation Selective gas phase filter material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE28858E (en) * 1970-09-25 1976-06-15 Brown & Williamson Tobacco Corporation Selective gas phase filter material

Also Published As

Publication number Publication date
BE700125A (en) 1967-12-01
BR6790595D0 (en) 1973-01-30
NL6708616A (en) 1967-12-27
CH495714A (en) 1970-09-15
MY6900405A (en) 1969-12-31
DE1692923A1 (en) 1971-10-28

Similar Documents

Publication Publication Date Title
AU499137B2 (en) Powdered grafted cellulose
CA1033232A (en) Sized carbon fibers
CA959221A (en) Bicomponent filaments
AU475802B2 (en) New 1-phenyl-substituted 1,3,5-triazines, their production, and their medicinal use
AU499311B2 (en) Nylon 66 yarn
CA1021933A (en) Fibres
AU3932072A (en) Improved filter cigarette
GB1138816A (en) Improvements in tobacco smoke filters
CA962441A (en) Yarn bulking jet
CA1031782A (en) Preparation of 1-alkyl-3,5-diphenylpyrazoles and 1,2-dialkyl-3,5-diphenylpyrazoluim salts
AU463557B2 (en) Improved tobacco smoke filter
CA1026184A (en) Tobacco smoke filter
GB1470857A (en) Filter element
USD260180S (en) Cantilevered pedestal house
GB1528786A (en) Smoking composition
EG11444A (en) High permeability cellulose fibers containing enzymes and process for the preparation thereof
AU461731B2 (en) A SOLUTION OF POLYARYLENE-l, 2, 3-OXADIOZOLE AND FIBRES AND FILMS MADE THEREFROM
FR2151814A5 (en) Cigarette filter - absorbing 100% of tar
CA1025191A (en) Yarns containing discontinuous fibres
CA958070A (en) Generateurs et batteries de generateurs electrochimiques a faible energie d'impact
AU2135770A (en) Self-open envelope machine (self open mail envelope machine
CA864814A (en) Procedes et dispositifs a soufflage de lames d'air, notamment pour galeries de mines
AU487030B2 (en) Improved bulked yarn
CA956094A (en) Self-extinguishing fibrous web
AU496245B2 (en) High density thoria-silica-metal (iii) oxide fibers