GB1274185A - Tobacco smoke filter - Google Patents

Tobacco smoke filter

Info

Publication number
GB1274185A
GB1274185A GB20582/71A GB2058271A GB1274185A GB 1274185 A GB1274185 A GB 1274185A GB 20582/71 A GB20582/71 A GB 20582/71A GB 2058271 A GB2058271 A GB 2058271A GB 1274185 A GB1274185 A GB 1274185A
Authority
GB
United Kingdom
Prior art keywords
johnson
tobacco smoke
smoke filter
sodium
compound
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
GB20582/71A
Inventor
Deger Tunc
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.)
Johnson and Johnson
Original Assignee
Johnson and Johnson
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 Johnson and Johnson filed Critical Johnson and Johnson
Publication of GB1274185A publication Critical patent/GB1274185A/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
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

1,274,185. Tobacco-smoke filters. JOHNSON & JOHNSON. 19 April, 1971 [28 Jan., 1970], No. 20582/71. Heading A2C. The filter contains a compound of formula R-cellulose-OSO 3 X wherein R is one or more of the functional groups methyl, ethyl, propyl, butyl, hydroxyethyl, hydroxypropyl and hydroxybutoxyl and X is hydrogen, sodium or potassium. The preferred compound is sodium ethylcellulose sulphate, and may be used as a powder held between two glass fibre plugs or may be used to impregnate pulp board fibres.
GB20582/71A 1970-01-28 1971-04-19 Tobacco smoke filter Expired GB1274185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US664470A 1970-01-28 1970-01-28

Publications (1)

Publication Number Publication Date
GB1274185A true GB1274185A (en) 1972-05-17

Family

ID=21721910

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20582/71A Expired GB1274185A (en) 1970-01-28 1971-04-19 Tobacco smoke filter

Country Status (3)

Country Link
US (1) US3661160A (en)
CA (1) CA929438A (en)
GB (1) GB1274185A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4282890A (en) * 1978-03-13 1981-08-11 Celanese Corporation Open cell structure foamed cellulose acetate filters
ES2243125B1 (en) * 2004-01-28 2007-02-01 Bioiberica, S.A. FILTER TO REDUCE HARMFUL SUBSTANCES PRESENT IN SMOKE.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862922A (en) * 1954-07-20 1958-12-02 Scott Paper Co Method of making sodium cellulose sulfate
US2969356A (en) * 1958-05-15 1961-01-24 Eastman Kodak Co Preparation of sulfuric acid esters of cellulose
US3311519A (en) * 1964-01-28 1967-03-28 Eastman Kodak Co Additive filter
US3507855A (en) * 1966-08-30 1970-04-21 Purdue Research Foundation Process of preparing cellulose sulfate and starch sulfate
US3478016A (en) * 1967-07-26 1969-11-11 Eastman Kodak Co Preparation of cellulose ester and ether sulfates with low inorganic salt content

Also Published As

Publication number Publication date
CA929438A (en) 1973-07-03
US3661160A (en) 1972-05-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees