GB1212464A - Filters for cigarettes pipes and the like - Google Patents
Filters for cigarettes pipes and the likeInfo
- 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
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.
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)
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 |
-
1969
- 1969-01-17 IT IT1167369A patent/IT1050104B/en active
- 1969-02-11 GB GB738769A patent/GB1212464A/en not_active Expired
Cited By (3)
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 |