GB1212464A - Filters for cigarettes pipes and the like - Google Patents

Filters for cigarettes pipes and the like

Info

Publication number
GB1212464A
GB1212464A GB738769A GB738769A GB1212464A GB 1212464 A GB1212464 A GB 1212464A GB 738769 A GB738769 A GB 738769A GB 738769 A GB738769 A GB 738769A GB 1212464 A GB1212464 A GB 1212464A
Authority
GB
United Kingdom
Prior art keywords
lysozyme
cigarettes
pipes
filters
substances
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
GB738769A
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.)
Prodotti Antibiotici SpA
Original Assignee
Prodotti Antibiotici SpA
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 Prodotti Antibiotici SpA filed Critical Prodotti Antibiotici SpA
Publication of GB1212464A publication Critical patent/GB1212464A/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)
  • Filtering Materials (AREA)

Abstract

1,212,464. Tobacco smoke filters. SPA SOC. PRODOTTI ANTIBIOTICI S.p.A. 11 Feb., 1969 [17 Jan., 1969], No. 7387/69. Heading A2C. A filter for cigarettes, cigarette holders, pipes &c. comprises a conventional filtering medium, of which many examples are quoted, to which is added at least one of the substances: lysozyme, methyl ester of lysozyme, guanidyl-lysozyme, methylguanidyl-lysozyme, a salt of lysozyme or of one of the said lysozyme derivatives, histone, protamine, salmin. The substances may be added in the form of a powder or an impregnant using a solvent such as water, a lower alcohol or ether.
GB738769A 1969-01-17 1969-02-11 Filters for cigarettes pipes and the like Expired GB1212464A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1167369A IT1050104B (en) 1969-01-17 1969-01-17 FILTER FOR CIGARETTES PIPA AND SIMILAR BASED ON LYSOZYME POLYPEPTIDES OR BASIC PROTEINS AND THEIR DERIVATIVES

Publications (1)

Publication Number Publication Date
GB1212464A true GB1212464A (en) 1970-11-18

Family

ID=11136806

Family Applications (1)

Application Number Title Priority Date Filing Date
GB738769A Expired GB1212464A (en) 1969-01-17 1969-02-11 Filters for cigarettes pipes and the like

Country Status (2)

Country Link
GB (1) GB1212464A (en)
IT (1) IT1050104B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991773A (en) * 1973-01-16 1976-11-16 Walker Eric E Optional dry or liquid filter
FR2490461A1 (en) * 1980-08-23 1982-03-26 Advance Kk FILTER OF TOBACCO SMOKE
WO2001050892A1 (en) * 2000-01-08 2001-07-19 Reemtsma Cigarettenfabriken Gmbh Method for producing an acidified filter for tobacco products and the use thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991773A (en) * 1973-01-16 1976-11-16 Walker Eric E Optional dry or liquid filter
FR2490461A1 (en) * 1980-08-23 1982-03-26 Advance Kk FILTER OF TOBACCO SMOKE
WO2001050892A1 (en) * 2000-01-08 2001-07-19 Reemtsma Cigarettenfabriken Gmbh Method for producing an acidified filter for tobacco products and the use thereof

Also Published As

Publication number Publication date
IT1050104B (en) 1981-03-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee