IL38123A - Cigarette filters - Google Patents
Cigarette filtersInfo
- Publication number
- IL38123A IL38123A IL38123A IL3812371A IL38123A IL 38123 A IL38123 A IL 38123A IL 38123 A IL38123 A IL 38123A IL 3812371 A IL3812371 A IL 3812371A IL 38123 A IL38123 A IL 38123A
- Authority
- IL
- Israel
- Prior art keywords
- resin
- cigarette
- cigarette filter
- cell
- filter according
- Prior art date
Links
- 235000019504 cigarettes Nutrition 0.000 title claims description 150
- 229920005989 resin Polymers 0.000 claims description 96
- 239000011347 resin Substances 0.000 claims description 96
- -1 polypropylene Polymers 0.000 claims description 47
- 210000002421 cell wall Anatomy 0.000 claims description 46
- 239000000835 fiber Substances 0.000 claims description 45
- 239000004604 Blowing Agent Substances 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 41
- 210000004027 cell Anatomy 0.000 claims description 38
- 238000001125 extrusion Methods 0.000 claims description 38
- 239000000155 melt Substances 0.000 claims description 36
- 229920001903 high density polyethylene Polymers 0.000 claims description 35
- 239000004700 high-density polyethylene Substances 0.000 claims description 35
- 239000006260 foam Substances 0.000 claims description 34
- 239000002667 nucleating agent Substances 0.000 claims description 33
- 239000004743 Polypropylene Substances 0.000 claims description 28
- 235000012438 extruded product Nutrition 0.000 claims description 28
- 229920001155 polypropylene Polymers 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 17
- 229920001169 thermoplastic Polymers 0.000 claims description 16
- 239000004416 thermosoftening plastic Substances 0.000 claims description 16
- 229920005992 thermoplastic resin Polymers 0.000 claims description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 28
- 239000000779 smoke Substances 0.000 description 26
- 238000001816 cooling Methods 0.000 description 24
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 20
- 238000002347 injection Methods 0.000 description 19
- 239000007924 injection Substances 0.000 description 19
- 239000004698 Polyethylene Substances 0.000 description 17
- 239000002202 Polyethylene glycol Substances 0.000 description 17
- 229920000573 polyethylene Polymers 0.000 description 17
- 229920001223 polyethylene glycol Polymers 0.000 description 17
- 239000011269 tar Substances 0.000 description 17
- 239000000047 product Substances 0.000 description 13
- 239000000454 talc Substances 0.000 description 11
- 229910052623 talc Inorganic materials 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 241000208125 Nicotiana Species 0.000 description 9
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 9
- 238000004513 sizing Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 7
- 238000000386 microscopy Methods 0.000 description 7
- 239000013618 particulate matter Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- BCZXFFBUYPCTSJ-UHFFFAOYSA-L Calcium propionate Chemical compound [Ca+2].CCC([O-])=O.CCC([O-])=O BCZXFFBUYPCTSJ-UHFFFAOYSA-L 0.000 description 4
- 230000002411 adverse Effects 0.000 description 4
- 239000001639 calcium acetate Substances 0.000 description 4
- 235000011092 calcium acetate Nutrition 0.000 description 4
- 239000004330 calcium propionate Substances 0.000 description 4
- 235000010331 calcium propionate Nutrition 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 229910021532 Calcite Inorganic materials 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229920001247 Reticulated foam Polymers 0.000 description 3
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 description 3
- 229960005147 calcium acetate Drugs 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000504 effect on taste Effects 0.000 description 3
- 239000004088 foaming agent Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229920001515 polyalkylene glycol Polymers 0.000 description 3
- 229920013716 polyethylene resin Polymers 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 229920002367 Polyisobutene Polymers 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 2
- 229940042935 dichlorodifluoromethane Drugs 0.000 description 2
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910001006 Constantan Inorganic materials 0.000 description 1
- 101100326757 Drosophila melanogaster Capr gene Proteins 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 101100537780 Mus musculus Tpm2 gene Proteins 0.000 description 1
- JOCBASBOOFNAJA-UHFFFAOYSA-N N-tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid Chemical compound OCC(CO)(CO)NCCS(O)(=O)=O JOCBASBOOFNAJA-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000004301 calcium benzoate Substances 0.000 description 1
- 235000010237 calcium benzoate Nutrition 0.000 description 1
- HZQXCUSDXIKLGS-UHFFFAOYSA-L calcium;dibenzoate;trihydrate Chemical compound O.O.O.[Ca+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 HZQXCUSDXIKLGS-UHFFFAOYSA-L 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 210000000497 foam cell Anatomy 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910001872 inorganic gas Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 235000015250 liver sausages Nutrition 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 239000004639 urea-formaldehyde foam Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Filtering Materials (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5480670 | 1970-11-18 | ||
| GB5870070 | 1970-12-10 | ||
| GB964671 | 1971-04-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL38123A0 IL38123A0 (en) | 1972-01-27 |
| IL38123A true IL38123A (en) | 1975-03-13 |
Family
ID=27255404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL38123A IL38123A (en) | 1970-11-18 | 1971-11-11 | Cigarette filters |
Country Status (13)
| Country | Link |
|---|---|
| JP (2) | JPS577172B1 (it) |
| AT (1) | AT315709B (it) |
| BE (1) | BE775476A (it) |
| CH (1) | CH546543A (it) |
| DE (1) | DE2156375C3 (it) |
| DK (1) | DK133125C (it) |
| FR (1) | FR2114696A5 (it) |
| IE (1) | IE36798B1 (it) |
| IL (1) | IL38123A (it) |
| IT (1) | IT950514B (it) |
| NL (1) | NL170916C (it) |
| NO (1) | NO133088C (it) |
| SE (1) | SE400457B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1482216A (en) * | 1974-04-11 | 1977-08-10 | Monsanto Ltd | Cigarette filters |
| JP2004500998A (ja) * | 2000-03-17 | 2004-01-15 | ダウ グローバル テクノロジーズ インコーポレイティド | 遮音および断熱用に有用なポリオレフィンフォーム |
| WO2020153490A1 (ja) * | 2019-01-25 | 2020-07-30 | 日本たばこ産業株式会社 | 喫煙物品用フィルター |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2972554A (en) * | 1955-05-23 | 1961-02-21 | Fiber Bond Corp | Pad and method of making same |
-
1971
- 1971-11-04 AT AT949971A patent/AT315709B/de not_active IP Right Cessation
- 1971-11-09 NL NLAANVRAGE7115391,A patent/NL170916C/xx not_active IP Right Cessation
- 1971-11-10 SE SE7114391A patent/SE400457B/xx unknown
- 1971-11-11 IL IL38123A patent/IL38123A/en unknown
- 1971-11-12 CH CH1643371A patent/CH546543A/xx not_active IP Right Cessation
- 1971-11-12 DE DE2156375A patent/DE2156375C3/de not_active Expired
- 1971-11-12 IE IE1429/71A patent/IE36798B1/xx unknown
- 1971-11-15 FR FR7140766A patent/FR2114696A5/fr not_active Expired
- 1971-11-17 IT IT54140/71A patent/IT950514B/it active
- 1971-11-17 DK DK565571A patent/DK133125C/da active
- 1971-11-17 NO NO4243/71A patent/NO133088C/no unknown
- 1971-11-17 BE BE775476A patent/BE775476A/xx unknown
- 1971-11-18 JP JP9270871A patent/JPS577172B1/ja active Pending
-
1977
- 1977-11-09 JP JP13453277A patent/JPS5411299A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL170916C (nl) | 1983-01-17 |
| DK133125B (da) | 1976-03-29 |
| CH546543A (de) | 1974-03-15 |
| NO133088C (it) | 1976-03-10 |
| IL38123A0 (en) | 1972-01-27 |
| AT315709B (de) | 1974-06-10 |
| NL7115391A (it) | 1972-05-23 |
| JPS5411299A (en) | 1979-01-27 |
| DK133125C (da) | 1976-08-30 |
| FR2114696A5 (en) | 1972-06-30 |
| AU3563971A (en) | 1973-05-17 |
| DE2156375B2 (de) | 1980-05-29 |
| IE36798L (en) | 1972-05-18 |
| DE2156375A1 (de) | 1972-05-31 |
| DE2156375C3 (de) | 1981-02-19 |
| NL170916B (nl) | 1982-08-16 |
| BE775476A (fr) | 1972-05-17 |
| NO133088B (it) | 1975-12-01 |
| SE400457B (sv) | 1978-04-03 |
| JPS577172B1 (it) | 1982-02-09 |
| IE36798B1 (en) | 1977-03-02 |
| IT950514B (it) | 1973-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3939849A (en) | Filter elements | |
| US4232130A (en) | Filter elements | |
| CA1130516A (en) | Open cell structure foamed cellulose acetate filters | |
| RU2153828C2 (ru) | Способ получения биологически разлагаемых фильтрующих элементов или фильтрующих жгутов для фильтров табачного дыма | |
| US6231942B1 (en) | Method and apparatus for microcellular polypropylene extrusion, and polypropylene articles produced thereby | |
| US4479998A (en) | Process of producing fibre-reinforced shaped articles | |
| JP4240540B2 (ja) | 微孔性ポリマーの押出方法及び押出装置 | |
| US5286429A (en) | High melt index polystyrene foam and method | |
| US3440309A (en) | Production of expanded thermoplastic products | |
| US5356944A (en) | High melt index polystytene foam and method | |
| JPH08501810A (ja) | ポリスチレン発泡体及びその製法 | |
| US4054550A (en) | Process for producing cigarette filters | |
| US3861404A (en) | Tobacco smoke filter | |
| DE2234787C3 (de) | Bahnmaterial aus Harz, mit dem Aussehen eines Felles, Teppichs oder Samtes, sowie Verfahren und Vorrichtung zu dessen Herstellung | |
| US4747983A (en) | Process and apparatus for manufacturing foamed structures with integral skin | |
| IL38123A (en) | Cigarette filters | |
| KR101837958B1 (ko) | 수지 발포 시트 및 수지 발포 시트의 제조 방법 | |
| US3594459A (en) | Process for the production of conjugate foam fibrillated structures | |
| US4282890A (en) | Open cell structure foamed cellulose acetate filters | |
| US3253967A (en) | Process for producing foam cigarette filters | |
| Han et al. | Foam extrusion characteristics of thermoplastic resin with fluorocarbon blowing agent. I. Low‐density polyethylene foam extrusion | |
| US3358695A (en) | Foams | |
| JP7543248B2 (ja) | ポリオレフィン系樹脂粒子およびその利用 | |
| WO2004035884A1 (en) | A microcellular foamed fiber, and a process of preparing for the same | |
| EP4209537B1 (en) | Extruded foam particles and method for producing same |