IT1087755B - Materiale da filtro e procedimento per la sua preparazione - Google Patents
Materiale da filtro e procedimento per la sua preparazioneInfo
- Publication number
- IT1087755B IT1087755B IT28219/77A IT2821977A IT1087755B IT 1087755 B IT1087755 B IT 1087755B IT 28219/77 A IT28219/77 A IT 28219/77A IT 2821977 A IT2821977 A IT 2821977A IT 1087755 B IT1087755 B IT 1087755B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- preparation
- filter material
- filter
- Prior art date
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/40—Formation of filaments, threads, or the like by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/02—Synthetic cellulose fibres
- D21H13/06—Cellulose esters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Nonwoven Fabrics (AREA)
- Filtering Materials (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73003976A | 1976-10-06 | 1976-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1087755B true IT1087755B (it) | 1985-06-04 |
Family
ID=24933659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT28219/77A IT1087755B (it) | 1976-10-06 | 1977-10-03 | Materiale da filtro e procedimento per la sua preparazione |
Country Status (26)
| Country | Link |
|---|---|
| JP (1) | JPS5345468A (it) |
| AT (1) | AT370293B (it) |
| AU (1) | AU514462B2 (it) |
| BE (1) | BE859459A (it) |
| BG (1) | BG28240A3 (it) |
| BR (1) | BR7706686A (it) |
| CA (1) | CA1076912A (it) |
| DE (1) | DE2744796A1 (it) |
| DK (1) | DK441177A (it) |
| ES (1) | ES467483A1 (it) |
| FI (1) | FI772956A (it) |
| FR (4) | FR2367133A1 (it) |
| GB (1) | GB1562134A (it) |
| GR (1) | GR66108B (it) |
| IL (1) | IL53062A (it) |
| IN (1) | IN148341B (it) |
| IT (1) | IT1087755B (it) |
| LU (1) | LU78254A1 (it) |
| NL (1) | NL7710795A (it) |
| NO (1) | NO773391L (it) |
| NZ (1) | NZ185357A (it) |
| PT (1) | PT67104B (it) |
| SE (1) | SE7711170L (it) |
| SU (1) | SU860678A3 (it) |
| TR (1) | TR20555A (it) |
| ZA (1) | ZA775993B (it) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57147413A (en) * | 1981-03-10 | 1982-09-11 | Asahi Chem Ind Co Ltd | Filter medium for high-performance air filter and production thereof |
| TW241198B (en) * | 1993-09-06 | 1995-02-21 | Daicel Chem | A tobacco filter material and a method of producing the same |
| CN1219797C (zh) * | 1994-09-22 | 2005-09-21 | 大世吕化学工业株式会社 | 纤维素衍生物 |
| JP3420359B2 (ja) * | 1994-10-21 | 2003-06-23 | ダイセル化学工業株式会社 | たばこ煙用フィルター素材、繊維状セルロースエステル及びその製造方法 |
| DE69520816T2 (de) * | 1994-10-31 | 2001-09-13 | Daicel Chem | Tabakrauchfiltermaterial und Tabakrauchfilter hergestellt aus diesem Material |
| JP3606950B2 (ja) * | 1995-05-31 | 2005-01-05 | ダイセル化学工業株式会社 | たばこフィルターおよびその製造方法 |
| JP3677332B2 (ja) * | 1995-10-20 | 2005-07-27 | ダイセル化学工業株式会社 | たばこフィルター用素材およびそれを用いたたばこフィルター |
| DE19753195A1 (de) * | 1997-11-21 | 1999-05-27 | Reemtsma H F & Ph | Biologisch abbaubarer Filter für Cigaretten |
| DE19951062C2 (de) * | 1999-10-22 | 2002-04-04 | Rhodia Acetow Gmbh | Hochleistungs-Zigarettenfilter |
| US20060021302A1 (en) * | 2004-07-30 | 2006-02-02 | Bernard Bobby L | Anti-microbial air filter |
-
1977
- 1977-09-30 AU AU29290/77A patent/AU514462B2/en not_active Expired
- 1977-09-30 GB GB40722/77A patent/GB1562134A/en not_active Expired
- 1977-10-03 NL NL7710795A patent/NL7710795A/xx not_active Application Discontinuation
- 1977-10-03 IT IT28219/77A patent/IT1087755B/it active
- 1977-10-03 PT PT67104A patent/PT67104B/pt unknown
- 1977-10-04 TR TR20555A patent/TR20555A/xx unknown
- 1977-10-04 GR GR54495A patent/GR66108B/el unknown
- 1977-10-05 JP JP11911477A patent/JPS5345468A/ja active Pending
- 1977-10-05 CA CA288,203A patent/CA1076912A/en not_active Expired
- 1977-10-05 NO NO773391A patent/NO773391L/no unknown
- 1977-10-05 LU LU78254A patent/LU78254A1/xx unknown
- 1977-10-05 DK DK441177A patent/DK441177A/da unknown
- 1977-10-05 DE DE19772744796 patent/DE2744796A1/de not_active Withdrawn
- 1977-10-05 BG BG7737507A patent/BG28240A3/xx unknown
- 1977-10-05 NZ NZ185357A patent/NZ185357A/xx unknown
- 1977-10-05 FR FR7730010A patent/FR2367133A1/fr active Granted
- 1977-10-05 SE SE7711170A patent/SE7711170L/xx unknown
- 1977-10-06 ZA ZA00775993A patent/ZA775993B/xx unknown
- 1977-10-06 AT AT0713377A patent/AT370293B/de not_active IP Right Cessation
- 1977-10-06 SU SU772534605A patent/SU860678A3/ru active
- 1977-10-06 IL IL53062A patent/IL53062A/xx unknown
- 1977-10-06 FI FI772956A patent/FI772956A/fi not_active Application Discontinuation
- 1977-10-06 BR BR7706686A patent/BR7706686A/pt unknown
- 1977-10-06 BE BE181523A patent/BE859459A/xx unknown
- 1977-11-02 IN IN1574/CAL/77A patent/IN148341B/en unknown
-
1978
- 1978-03-02 ES ES0467483A patent/ES467483A1/es not_active Expired
- 1978-04-25 FR FR7812163A patent/FR2381853A1/fr active Granted
- 1978-04-25 FR FR7812164A patent/FR2381480A1/fr not_active Withdrawn
- 1978-04-25 FR FR7812165A patent/FR2381840A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DK441177A (da) | 1978-04-07 |
| SE7711170L (sv) | 1978-04-07 |
| NL7710795A (nl) | 1978-04-10 |
| FR2381853B1 (it) | 1982-04-02 |
| FR2381480A1 (fr) | 1978-09-22 |
| IN148341B (it) | 1981-01-24 |
| DE2744796A1 (de) | 1978-04-13 |
| FR2381840A1 (fr) | 1978-09-22 |
| SU860678A3 (ru) | 1981-08-30 |
| GB1562134A (en) | 1980-03-05 |
| AU514462B2 (en) | 1981-02-12 |
| BR7706686A (pt) | 1979-05-02 |
| NO773391L (no) | 1978-04-07 |
| FR2381853A1 (fr) | 1978-09-22 |
| BE859459A (fr) | 1978-04-06 |
| JPS5345468A (en) | 1978-04-24 |
| FR2367133B1 (it) | 1982-03-26 |
| ATA713377A (de) | 1982-08-15 |
| ES467483A1 (es) | 1978-10-16 |
| GR66108B (it) | 1981-01-16 |
| NZ185357A (en) | 1980-05-08 |
| PT67104A (en) | 1977-11-01 |
| IL53062A0 (en) | 1977-12-30 |
| TR20555A (tr) | 1981-11-05 |
| AT370293B (de) | 1983-03-10 |
| BG28240A3 (en) | 1980-03-25 |
| FI772956A (fi) | 1978-04-07 |
| IL53062A (en) | 1980-09-16 |
| CA1076912A (en) | 1980-05-06 |
| FR2367133A1 (fr) | 1978-05-05 |
| ZA775993B (en) | 1979-05-30 |
| PT67104B (en) | 1979-03-13 |
| AU2929077A (en) | 1979-04-05 |
| LU78254A1 (it) | 1978-01-26 |
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